CN102667154B - Displacement control valve for variable displacement compressor - Google Patents
Displacement control valve for variable displacement compressor Download PDFInfo
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- CN102667154B CN102667154B CN201080058095.2A CN201080058095A CN102667154B CN 102667154 B CN102667154 B CN 102667154B CN 201080058095 A CN201080058095 A CN 201080058095A CN 102667154 B CN102667154 B CN 102667154B
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- valve
- valve body
- guide hole
- displacement control
- sleeve
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0603—Multiple-way valves
- F16K31/0624—Lift valves
- F16K31/0634—Lift valves with fixed seats positioned between movable valve members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
- F04B27/14—Control
- F04B27/16—Control of pumps with stationary cylinders
- F04B27/18—Control of pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block
- F04B27/1804—Controlled by crankcase pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
- F04B27/14—Control
- F04B27/16—Control of pumps with stationary cylinders
- F04B27/18—Control of pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block
- F04B27/1804—Controlled by crankcase pressure
- F04B2027/1809—Controlled pressure
- F04B2027/1813—Crankcase pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
- F04B27/14—Control
- F04B27/16—Control of pumps with stationary cylinders
- F04B27/18—Control of pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block
- F04B27/1804—Controlled by crankcase pressure
- F04B2027/1822—Valve-controlled fluid connection
- F04B2027/1827—Valve-controlled fluid connection between crankcase and discharge chamber
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
- F04B27/14—Control
- F04B27/16—Control of pumps with stationary cylinders
- F04B27/18—Control of pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block
- F04B27/1804—Controlled by crankcase pressure
- F04B2027/184—Valve controlling parameter
- F04B2027/1854—External parameters
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
Disclosed is a displacement control valve for a variable displacement compressor. The displacement control valve comprises: a valve housing having a crank chamber connection hole, a discharge chamber connection hole and a suction chamber connection hole formed therein, which respectively receive the pressure from the compressor crank chamber, discharge chamber, and suction chamber, and further having a first guide hole penetratingly formed therein, which is positioned between the discharge chamber connection hole and the crank chamber connection hole; a valve body which, whilst moving reciprocally, opens and closes the opening of the first guide hole; and an electronic solenoid which causes the reciprocal movement of the valve by applying electric current; a sleeve which connects the electronic solenoid and the valve body; ; and an air extraction valve which controls the connection between the crank chamber and the suction chamber by movement of the sleeve. Thus, when the pressure in the compressor crank chamber increases rapidly, the pressure can be quickly released via the suction chamber due to the air extraction valve.
Description
Technical field
The present invention relates to a kind of displacement control valve for variable compressor, and more particularly, relate to a kind of displacement control valve for variable compressor that can discharge described pressure when the pressure of compressor crankcase increases rapidly fast.
Background technique
The compressor that the cooling system of Vehicular air-conditioning apparatus comprises is connect in succession by belt and engine direct, the therefore revolution of uncontrollable compressor.
Therefore, recently, widely used a kind of variable compressor, the coolant discharge quantity that do not control by the revolution of motor can have been changed in this variable compressor to obtain cooling capacity.
The present invention discloses various types of variable compressor, as inclined disc type, rotary, eddy type etc.
In these variable compressors, oblique tray type compressor has following structure: the swash plate being mounted to angle of inclination in the crankcase variable rotates due to the rotation of transmission shaft, and the rotation of swash plate makes reciprocating motion of the pistons.In this case, by the to-and-fro motion of piston, the refrigeration agent in air aspiration cavity is inhaled into cylinder, is compressed, and is then discharged into exhaust cavity, and the angle of inclination of swash plate is changed due to the difference between the pressure of crankcase and the pressure of air aspiration cavity, thus control the discharge amount of refrigeration agent.
Specifically, adopt electrical solenoid tubular type displacement control valve, make to open and close valve when described control valve is applied in electric current to control the pressure of crankcase, this controls again the angle of inclination of swash plate, thus controlled discharge volume.
Next, with reference to Fig. 1, the displacement control valve according to prior art is schematically described.
Fig. 1 is the longitudinal sectional view of the displacement control valve for variable compressor illustrated according to prior art.
As shown in Figure 1, the displacement control valve 10 according to prior art comprises: valve pocket 11, is wherein formed with several attachment hole; Helitron 13; Be arranged on the valve body 12 in valve pocket 11 movably.
In addition, for guiding the first guide hole 14 of the movement of valve body 12 to be formed in valve pocket 11.
Specifically, when applying electric current to helitron 13, valve body 12 moves back and forth to open and close the first guide hole 14 be formed in valve pocket 11.
Crankcase attachment hole 15 and exhaust cavity attachment hole 16 are formed in valve pocket 11, and described hole is applied in the pressure P c of crankcase and the pressure P d of exhaust cavity respectively.Exhaust cavity attachment hole 16 and crankcase attachment hole 15 are connected to each other by the first guide hole 14.
In addition, air aspiration cavity attachment hole 17 is formed in below the exhaust cavity attachment hole 16 in valve pocket 11.
In addition, provide shroud member 18 to connect valve body 12 and helitron 13 in valve body 12 one end.
Meanwhile, sleeve hole 19 is formed in and is provided with in the valve pocket 11 of shroud member 18, and the sleeve 20 corresponding to sleeve hole 19 is formed in shroud member 18.
In addition, receiving part 21 is formed in shroud member 18, and bellows 22 is arranged in receiving part 21.
In addition, the valve gap 23 be connected is provided in valve pocket 11, and provides support spring 24 with one end reverse thread of valve body 12 between valve body 12 and valve gap 23, thus control the expansive force of bellows 22 and be installed on the expansive force of the first spring 25 wherein.
Meanwhile, a part for valve gap 23 is opened, and the pressure P c of crankcase is put on herein.
But, during the initialization of compressor, when pressure increases due to the evaporation of liquid refrigerant or the malfunction of compressor, the pressure P c of crankcase cannot be discharged according to the displacement control valve of prior art.
Summary of the invention
[technical problem]
The present invention is intended to solve the problems referred to above relevant to prior art, and one object of the present invention is to provide a kind of displacement control valve for variable compressor, and it can discharge described pressure fast when the pressure of compressor crankcase increases rapidly.
[technical solution]
In order to realize above-mentioned purpose of the present invention, a kind of displacement control valve for variable compressor is provided, described displacement control valve comprises: valve pocket, it comprises crankcase attachment hole, exhaust cavity attachment hole and air aspiration cavity attachment hole, described hole receives the pressure in the pressure from compressor crankcase, the pressure from compressor discharge chamber and compressor air suction chamber respectively, and comprises the first guide hole through described exhaust cavity attachment hole and described crankcase attachment hole further; Valve body, it moves back and forth the entrance opening and closing described first guide hole; Helitron, makes valve body to-and-fro motion when being applied in electric current; Sleeve, it connects described helitron and described valve body; And escape valve, the connection between its motion control crankcase by sleeve and air aspiration cavity.
Preferably, escape valve can comprise the second guide hole be formed in valve pocket and the auxiliary valve body moving back and forth the entrance opening and closing described second guide hole.
Preferably, valve pocket can comprise the influent stream path that connects crankcase attachment hole and the second guide hole be connected the second guide hole and air aspiration cavity attachment hole go out flow path.
Preferably, the auxiliary valve body opening and closing the valve body of the first guide hole and the second guide hole of opening and closing can be formed in opposite direction.
Preferably, valve pocket can comprise valve gap further, its towards valve body one end and allow escape valve pass through valve body motion open and close.
Preferably, escape valve can comprise: the second guide hole, and it is formed on valve gap inner peripheral surface and is connected to crankcase attachment hole; Major diameter part, it to be formed in valve body and to move back and forth to open and close the entrance of described second guide hole; Air vent, it is formed on sleeve.
Preferably, valve body can comprise small diameter portion, and its footpath, periphery is less than the inner circumferential footpath of the second guide hole, makes to be connected flow path at described second guide hole with being formed between described small diameter portion.
Preferably, sleeve can comprise the influent stream path connecting described connection flow path and air vent, and valve pocket can comprise connection air vent and air aspiration cavity attachment hole go out flow path.
Preferably, flow path can be formed out between valve pocket and sleeve.
Preferably, displacement control valve can comprise further: valve gap, and it is connected to open and close escape valve by the motion of valve body towards valve body one end and with valve pocket; And control the safety valve of crankcase and the connection between air aspiration cavity and escape valve.
Preferably, the difference between the pressure and the pressure of air aspiration cavity of the pressure float chamber of crankcase can open the safety-valve higher than during predetermined value.
Preferably, safety valve can comprise: insert the Safety valve body in sleeve, be wherein formed with through hole; Move back and forth the valve bush opening and closing through hole; And formed on described valve bush outer circumferential face go out flow path.
Preferably, valve bush can comprise the bellows being formed in its low side.
Preferably, bellows can comprise the first support spring of being arranged on wherein and be arranged in sleeve.
Preferably, displacement control valve can comprise further and is arranged in the force application component of the direction force along the through hole that opens the safety-valve between valve bush and sleeve inner, and one end of described force application component is supported in sleeve inner.
Preferably, safety valve can comprise the 3rd guide hole be formed in sleeve and the Safety valve body moving back and forth to open and close described 3rd guide hole.
Preferably, Safety valve body can comprise the bellows being formed in its low side.
Preferably, bellows can comprise the first support spring of being arranged on wherein and be arranged in sleeve.
Preferably, displacement control valve can comprise the force application component being arranged in the direction force opening the 3rd guide hole between safety valve and sleeve inner with edge further, and one end of described force application component is supported in sleeve inner.
Preferably, safety valve can comprise the perforate part with smooth outer circumferential face.
Preferably, safety valve can comprise to be formed in and goes out flow path between perforate part and sleeve inner.
Preferably, escape valve can comprise: the second guide hole, and it is formed on valve gap inner peripheral surface and is connected to crankcase attachment hole; With major diameter part, it to be formed in valve body and to move back and forth to open and close the entrance of the second guide hole.
Preferably, valve body can comprise small diameter portion, and its footpath, periphery is less than the inner circumferential footpath of the second guide hole, makes to be connected flow path at the second guide hole with being formed between small diameter portion.
[advantageous effects]
According to the displacement control valve for variable compressor of the present invention, when the pressure of compressor crankcase increases rapidly, it is possible for discharging described pressure fast by escape valve.
That is, during the initialization of compressor, the liquid refrigerant evaporated in crankcase can be discharged into air aspiration cavity smoothly, thus prevents compressor operating by time delay, and promotes that swash plate moves towards its maximum tilt angle.
Accompanying drawing explanation
Fig. 1 is the longitudinal sectional view of the displacement control valve for variable compressor illustrated according to prior art.
Fig. 2 illustrates the longitudinal sectional view according to variable compressor structure of the present invention.
Fig. 3 is the longitudinal sectional view of the displacement control valve arrangement of the first exemplary of the present invention illustrated according to Fig. 2.
Fig. 4 is the longitudinal sectional view of the displacement control valve arrangement that Fig. 3 is shown.
Fig. 5 is the longitudinal sectional view of the displacement control valve arrangement of the second exemplary of the present invention illustrated according to Fig. 2.
Fig. 6 is the partial enlargement longitudinal sectional view of the displacement control valve arrangement that Fig. 5 is shown.
Fig. 7 is the longitudinal sectional view of the displacement control valve arrangement of the 3rd exemplary of the present invention illustrated according to Fig. 2.
Fig. 8 is the partial enlargement longitudinal sectional view of the displacement control valve arrangement that Fig. 7 is shown.
Fig. 9 is the longitudinal sectional view of the displacement control valve arrangement of another exemplary of the present invention illustrated according to Fig. 7.
Figure 10 is the partial enlargement longitudinal sectional view of the displacement control valve arrangement that Fig. 9 is shown.
Embodiment
Below, preferred illustrative embodiment of the present invention will be described with reference to the drawings.
Fig. 2 illustrates the longitudinal sectional view according to variable compressor structure of the present invention, Fig. 3 is the longitudinal sectional view of the displacement control valve arrangement of the first exemplary of the present invention illustrated according to Fig. 2, Fig. 4 is the longitudinal sectional view of the displacement control valve arrangement that Fig. 3 is shown, Fig. 5 is the longitudinal sectional view of the displacement control valve arrangement of the second exemplary of the present invention illustrated according to Fig. 2, Fig. 6 is the partial enlargement longitudinal sectional view of the displacement control valve arrangement that Fig. 5 is shown, Fig. 7 is the longitudinal sectional view of the displacement control valve arrangement of the 3rd exemplary of the present invention illustrated according to Fig. 2, Fig. 8 is the partial enlargement longitudinal sectional view of the displacement control valve arrangement that Fig. 7 is shown, Fig. 9 is the longitudinal sectional view of the displacement control valve arrangement of another exemplary of the present invention illustrated according to Fig. 7, and Figure 10 is the partial enlargement longitudinal sectional view of the displacement control valve arrangement that Fig. 9 is shown.
The structure of the displacement-variable swashplate compressor be provided with according to displacement control valve of the present invention will exemplarily be described below.
As shown in Figure 2, displacement-variable swashplate compressor C comprises: cylinder block 10, has the multiple cylinder-bore 12 parallel longitudinal be each other formed in inner circumferential surface; The front shroud 16 be connected with the front sealing of cylinder block 10; And the back cover 18 to be connected with the rear seal of cylinder block 10, valve plate 20 is between cylinder block 10 and back cover 18.
Crankcase 86 is provided in front shroud 16.One end of transmission shaft 44 supports around the central rotation of front shroud 16, and the other end of transmission shaft 44 is supported by the bearing be arranged in cylinder block 10 through crankcase 86.
In addition, the transmission shaft 44 in crankcase 86 otic placode 54 and swash plate 50 are circumferentially provided.
A pair supporting arm 62 for electric power conveying has the guide hole 64 of direct puncture therebetween separately, and described supporting arm entirety is stretched out from the side of otic placode 54, and provides ball 66 on the side of swash plate 50.Therefore, when otic placode 54 rotates, the ball 66 of swash plate 50 slides in guide hole 64, thus changes the angle of inclination of swash plate 50.
In addition, the outer circumferential face of swash plate 50 arranges crawler shoe 76, and swash plate 50 is connected slidably with each piston 14, crawler shoe 76 is between swash plate 50 and piston 14.
Therefore, when swash plate 50 rotates in an inclined state, each piston 14(crawler shoe 76 be connected with swash plate 50 falls between) move back and forth in each cylinder-bore 12 of cylinder block 10.
Air aspiration cavity 22 and exhaust cavity 24 are respectively formed in back cover 18, and the position of corresponding each cylinder-bore 12 on intakeport 32 and relief opening 36 are respectively formed between back cover 18 with cylinder block 10 valve plate 20.
Refrigeration agent in air aspiration cavity 22 is inhaled in cylinder-bore 12, compressed, then be discharged in exhaust cavity 24 by the to-and-fro motion of piston 14, and the angle of inclination of swash plate 50 changes due to the difference between the pressure of crankcase 86 and the pressure of air aspiration cavity 22, thus control the discharge amount of refrigeration agent.
Specifically, the variable compressor used in an exemplary embodiment of the present invention adopts electrical solenoid tubular type displacement control valve 100, described valve opens and closes the pressure controlling crankcase 86 when being applied in electric current, this controls again the angle of inclination of swash plate 50, thus controlled discharge volume.Such displacement control valve 100 is applicable to all compressors showing these features.
Next, will describe in more detail according to displacement control valve 100 of the present invention.
exemplary 1
As shown in Figure 3 and Figure 4, the displacement control valve 100 according to first exemplary of the present invention comprises: valve pocket 110, is wherein formed with several attachment hole; Helitron 130; Be arranged on the valve body 120 in valve pocket 110 movably.
In addition, for guiding the first guide hole 117 of the movement of valve body 120 to be formed in valve pocket 110.
Specifically, when applying electric current to helitron 130, valve body 120 moves back and forth to open and close the first guide hole 117 be formed in valve pocket 110.
Crankcase attachment hole 112 and exhaust cavity attachment hole 113 are formed in valve pocket 110, and described hole is applied in the pressure P c of the crankcase 86 and pressure P d of exhaust cavity 24 respectively.Exhaust cavity attachment hole 113 and crankcase attachment hole 112 are connected to each other by the first guide hole 117.
In addition, air aspiration cavity attachment hole 111 is formed in below the exhaust cavity attachment hole 113 in valve pocket 110.
Although accompanying drawing illustrates that exhaust cavity attachment hole 113 and air aspiration cavity attachment hole 111 are formed along the direction perpendicular to crankcase attachment hole 112 respectively, direction can be determined arbitrarily.
Meanwhile, although attached not shown, preferably, the pressure P c of the pressure of inspiration(Pi) Ps float chamber 86 of compressor C is applied in the two ends of valve body 120.
In addition, provide sleeve 140 to connect valve body 120 and helitron 130 in valve body 120 one end.
Meanwhile, sleeve hole 119 is formed in and is provided with in the valve pocket 110 of sleeve 140, and the needle 141 corresponding to sleeve hole 119 is formed in sleeve 140.Preferably, the diameter of needle 141 is greater than the diameter of valve body 120.
Preferably, needle 141 passes valve body 120 and is fixed to valve body 120 to prevent relative movement.
Escape valve 150 is provided further, connects crankcase 86 and air aspiration cavity 32 with the motion by sleeve 140.
Escape valve 150 comprises the second guide hole 151 of being formed in valve pocket 110 and to be formed in sleeve 140 and to move back and forth the auxiliary valve body 152 of the entrance opening and closing the second guide hole 151.
Herein, the valve body 120 opening and closing the first guide hole 117 is formed in opposite direction with the auxiliary valve body 152 opening and closing the second guide hole 151.
In addition, the influent stream path 153 connecting crankcase attachment hole 112 and the second guide hole 151 is formed in valve pocket 110, and the flow path 154 that goes out connecting the second guide hole 151 and air aspiration cavity attachment hole 111 is formed between valve pocket 110 and sleeve 140.Herein, preferably, go out flow path 154 and be connected to air aspiration cavity 22.
Because escape valve 150 is arranged by this way, cause during the initialization of compressor (at this moment the pressure P c of compressor crankcase 86 increases sharply), auxiliary valve body 152 opens the second guide hole 151, thus makes the pressure P c of crankcase 86 can be fast released air aspiration cavity 22.
That is, when applying electric current to solenoid 130, the auxiliary valve body 152 be formed in sleeve 140 moves down to open the second guide hole 151, and when electric current is cut off, auxiliary valve body 152 moves up to close the second guide hole 151.
Because escape valve 150 works by this way, cause during the initialization of compressor, in crankcase 86, the liquid refrigerant of evaporation can be discharged into air aspiration cavity 22 smoothly, thus prevents the work of compressor by time delay and promote that swash plate 50 moves towards its maximum tilt angle.
In addition, helitron 130 comprises: the movable core 131 being connected to sleeve 140; Be arranged in the electronic coil 132 circumferentially of movable core 131; Around the helical pipe box 134 of electronic coil 132 grade; Be arranged in the secured core 133 on electronic coil 132; And be connected to secured core 133 and be fixed to hereafter by the bar 135 of the bellows 160 of description.
Helical pipe box 134 corresponds to the injecting products or insulation crust that surround electronic coil 132.
In addition, the 3rd guide hole 131a for the movement of guide rod 135 is formed in movable core 131.
Therefore, when applying electric current to helitron 130, movable core 131, sleeve 140 and valve body 120 are ordered about to move back and forth, and meanwhile, valve body 120 opens and closes the entrance of the first guide hole 117 connecting exhaust cavity attachment hole 113 and crankcase attachment hole 112.
In addition, spring (offspring) 125 of offing normal is provided between secured core 133 and movable core 131.Therefore, under the normal state not having external force, valve body 120 moves up the open mode maintaining the first guide hole 117, simultaneously auxiliary valve body 152 on maintain the closed condition of the second guide hole 151.
Bar 135 is threadingly attached to secured core 133, makes it possible to the initial set value being regulated the bellows 160 that will be described below by the rotation of bar 135.
In addition, valve body 120 maximum opening by sleeve 140 side and there is the first guide hole 117 valve pocket 110 in facings side control.
In addition, receiving part 170 is formed in sleeve 140, and bellows 160 is arranged in receiving part 170.
Meanwhile, receiving part 170 is directly connected to air aspiration cavity 22, makes it be applied in the pressure P s of air aspiration cavity.
Insertion groove 161 is formed on bellows 160, and the patchhole 135a corresponding to insertion groove 161 is formed in bar 135, makes them be securely connected to prevent relative movement.
Meanwhile, preferably, on bellows 160, the inchoate the other end of insertion groove 161 is fixed to sleeve 140 inside.
First support spring 162 can be arranged in bellows 160 and maintain swelling state.
In addition, guide groove 131b is formed on movable core 131 and is connected with air aspiration cavity attachment hole 111.
Therefore, the pressure P s of air aspiration cavity 22 is also applied in helical pipe box 134.Due to this structure, cause the pressure P s of air aspiration cavity 22 also can be applied in movable core 131 and sleeve 140.
In addition, when the suction refrigerant gas of pressure P s with air aspiration cavity 22 is through helical pipe box 134, helitron 130 can obtain effective cooling.Therefore, the reliability of helitron 130 increases, and helitron 130 can accurately produce with current in proportion, the electromagnetic force of heat effects that can not be produced.
Meanwhile, circular groove 136 is formed on bar 135, and O shape ring 137 is inserted in circular groove 136, thus prevents the refrigrant leakage that is fed to by guide groove 131b.
In addition, in exhaust cavity attachment hole 113, provide filter 180, enter control valve to prevent foreign matter.
exemplary 2
As shown in Figure 5 and Figure 6, the displacement control valve 100 according to second exemplary of the present invention comprises: valve pocket 110, is wherein formed with several attachment hole; Helitron 130; And the valve body 120 be arranged on movably in valve pocket 110.
In addition, for guiding the first guide hole 117 of the movement of valve body 120 to be formed in valve pocket 110.
Specifically, when applying electric current to helitron 130, valve body 120 moves back and forth to open and close the first guide hole 117 be formed in valve pocket 110.
Crankcase attachment hole 112 and exhaust cavity attachment hole 113 are formed on valve pocket 110, and described hole is applied in the pressure P c of the crankcase 86 and pressure P d of exhaust cavity 24 respectively.Exhaust cavity attachment hole 113 and crankcase attachment hole 112 are connected to each other by the first guide hole 117.
In addition, air aspiration cavity attachment hole 111 is formed in below the exhaust cavity attachment hole 113 in valve pocket 110.
Although accompanying drawing illustrates that exhaust cavity attachment hole 113 and air aspiration cavity attachment hole 111 are formed along the direction perpendicular to crankcase attachment hole 112 respectively, direction can be determined arbitrarily.
Meanwhile, although attached not shown, preferably, the pressure P c of the pressure of inspiration(Pi) Ps float chamber 86 of compressor C is applied in the two ends of valve body 120.
In addition, provide sleeve 140 to connect valve body 120 and helitron 130 in valve body 120 one end.
Meanwhile, sleeve hole 119 is formed in and is provided with in the valve pocket 110 of sleeve 140, and the needle 141 corresponding to sleeve hole 119 is formed in sleeve 140.Preferably, the diameter of needle 141 is greater than the diameter of valve body 120.
Preferably, needle 141 passes valve body 120 and is fixed to valve body 120 to prevent relative movement.
In addition, in valve pocket 110, provide the valve gap 165 be connected with valve body 120 one end reverse thread, and a part for valve gap 165 is opened, makes the pressure P c of crankcase 86 be applied to there.
There is provided escape valve 150 further, to be connected crankcase 86 and air aspiration cavity 32 by the motion of sleeve 140.
Escape valve 150 comprises: the second guide hole 151, and its inner peripheral surface being formed in valve gap 165 is connected to crankcase attachment hole 112; Major diameter part 152, it to be formed in valve body 120 and to move back and forth to open and close the entrance of the second guide hole 151; Air vent 153, it to be formed on sleeve 140 and to be connected to the second guide hole 151.Herein, preferably, air vent 153 is connected to air aspiration cavity attachment hole 111.
In addition, the small diameter portion 154 that footpath, periphery is less than the second guide hole 151 inner circumferential footpath is formed in valve body 120, makes to be connected flow path 155 at the second guide hole 151 with being formed between small diameter portion 154.
In addition, connect described connection flow path 155 and be formed in sleeve 140 with the influent stream path 156 of air vent 153, and the flow path 157 that goes out connecting air vent 153 and air aspiration cavity attachment hole 111 is formed between valve pocket 110 and sleeve 140.
Because escape valve 150 is arranged by this way, cause during the initialization of compressor (at this moment the pressure P c of compressor crankcase 86 increases sharply), the major diameter part 152 of valve body 120 opens the second guide hole 151, makes the pressure P c of crankcase 86 can be discharged into air aspiration cavity 22 fast.
That is, when applying electric current to solenoid 130, the major diameter part 152 be formed in valve body 120 moves down to open the second guide hole 151, and when electric current is cut off, major diameter part 152 moves up to close the second guide hole 151.
Because escape valve 150 works by this way, cause during the initialization of compressor, in crankcase 86, the liquid refrigerant of evaporation can be discharged into air aspiration cavity 22 smoothly, thus prevents the work of compressor by time delay and promote that swash plate 50 moves towards its maximum tilt angle.
In addition, helitron 130 comprises: the movable core 131 being connected to sleeve 140; Be arranged in the electronic coil 132 circumferentially of movable core 131; Around the helical pipe box 134 of electronic coil 132 grade; Be arranged in the secured core 133 in electronic coil 132; And be connected to secured core 133 and be fixed to hereafter by the bar 135 of the bellows 160 of description.
Helical pipe box 134 corresponds to injecting products around electronic coil 132 or insulation crust.
In addition, the 3rd guide hole 131a for the movement of guide rod 135 is formed in movable core 131.
Therefore, when applying electric current to helitron 130, movable core 131, sleeve 140 and valve body 120 are ordered about to move back and forth, and meanwhile, valve body 120 opens and closes the entrance of the first guide hole 117 connecting exhaust cavity attachment hole 113 and crankcase attachment hole 112.
In addition, spring 125 of offing normal is provided between secured core 133 and movable core 131.Therefore, under the normal state not having external force, valve body 120 moves up the open mode maintaining the first guide hole 117, simultaneously valve body 120 major diameter part 152 on maintain the closed condition of the second guide hole 151.
Bar 135 is threadingly attached to secured core 133, makes it possible to the initial set value being regulated the bellows 160 that will be described below by the rotation of bar 135.
In addition, valve body 120 maximum opening by sleeve 140 side and there is the first guide hole 117 valve pocket 110 in facings side control.
In addition, receiving part 170 is formed in sleeve 140, and bellows 160 is arranged in receiving part 170.
Meanwhile, receiving part 170 is directly connected to air aspiration cavity 22, makes it be applied in the pressure P s of air aspiration cavity.
Insertion groove 161 is formed on bellows 160, and the patchhole 135a corresponding to insertion groove 161 is formed in bar 135, makes them be securely connected to prevent relative movement.
Meanwhile, preferably, on bellows 160, the inchoate the other end of insertion groove 161 is fixed to sleeve 140 inside.
First support spring 162 can be arranged in bellows 160 and maintain swelling state.
In addition, guide groove 131b is formed on movable core 131 and is connected with air aspiration cavity attachment hole 111.
Therefore, the pressure P s of air aspiration cavity 22 is also applied in helical pipe box 134.Due to this structure, cause the pressure P s of air aspiration cavity 22 also can be applied in movable core 131 and sleeve 140.
In addition, when the suction refrigerant gas of pressure P s with air aspiration cavity 22 is through helical pipe box 134, helitron 130 can obtain effective cooling.Therefore, the reliability of helitron 130 increases, and helitron 130 can accurately produce with current in proportion, the electromagnetic force of heat effects that can not be produced.
Meanwhile, circular groove 136 is formed on bar 135, and O shape ring 137 is inserted in circular groove 136, thus prevents the refrigrant leakage that is fed to by guide groove 131b.
In addition, in exhaust cavity attachment hole 113, provide filter 180, enter control valve to prevent foreign matter.
exemplary 3
As shown in Figure 7 to 10, comprise according to the displacement control valve 100 of the 3rd exemplary of the present invention: valve pocket 110, is wherein formed with several attachment hole; Helitron 130; And the valve body 120 be arranged on movably in valve pocket 110.
In addition, for guiding the first guide hole 117 of the movement of valve body 120 to be formed in valve pocket 110.
Specifically, when applying electric current to helitron 130, valve body 120 moves back and forth to open and close the first guide hole 117 be formed in valve pocket 110.
Crankcase attachment hole 112 and exhaust cavity attachment hole 113 are formed in valve pocket 110, and described hole is applied in the pressure P c of the crankcase 86 and pressure P d of exhaust cavity 24 respectively.Exhaust cavity attachment hole 113 and crankcase attachment hole 112 are connected to each other by the first guide hole 117.
In addition, air aspiration cavity attachment hole 111 is formed in below the exhaust cavity attachment hole 113 in valve pocket 110.
Although accompanying drawing illustrates that exhaust cavity attachment hole 113 and air aspiration cavity attachment hole 111 are formed along the direction perpendicular to crankcase attachment hole 112 respectively, direction can be determined arbitrarily.
Meanwhile, although attached not shown, preferably, the pressure P c of the pressure of inspiration(Pi) Ps float chamber 86 of compressor C is applied in the two ends of valve body 120.
In addition, provide sleeve 140 to connect valve body 120 and helitron 130 in valve body 120 one end.
Meanwhile, sleeve hole 119 is formed in and is provided with in the valve pocket 110 of sleeve 140, and the needle 141 corresponding to sleeve hole 119 is formed in sleeve 140.Preferably, the diameter of needle 141 is greater than the diameter of valve body 120.
Preferably, needle 141 passes valve body 120 and is fixed to valve body 120 to prevent relative movement.
In addition, in valve pocket 110, provide reverse thread to be connected to the valve gap 165 of valve body 120 one end, and a part for valve gap 165 is opened, makes the pressure P c of crankcase 86 be applied to there.
Escape valve 150 is provided further, connects crankcase 86 and air aspiration cavity 32 with the motion by sleeve 140.
Escape valve 150 comprises: the second guide hole 151, to be connected to crankcase attachment hole 112 on its inner peripheral surface being formed in valve gap 165; And major diameter part 152, it to be formed in valve body 120 and to move back and forth to open and close the entrance of the second guide hole 151.Herein, preferably, the second guide hole 151 is connected to air aspiration cavity attachment hole 111.
In addition, the small diameter portion 153 that footpath, periphery is less than the second guide hole 151 inner circumferential footpath is formed in valve body 120, makes to be connected flow path 154 at the second guide hole 151 with being formed between small diameter portion 153.
Meanwhile, provide safety valve 190, when the pressure P c of crankcase 86 is higher than predetermined value when escape valve 120 is opened, safety valve 190 can be opened to connect crankcase 86 and air aspiration cavity 22.
The safety valve 190 of the exemplary of the present invention according to Fig. 7 and Fig. 8 can comprise: Safety valve body 192, and it inserts sleeve 140, is wherein formed with through hole 191; Valve bush 193, it is arranged between valve bush 183 and sleeve 140, and moves back and forth to open and close through hole 191; And formed between valve bush 193 and sleeve 140 go out flow path 194.Herein, when the pressure P c of crankcase 86 directly puts on valve bush 193, valve bush 193 opens and closes through hole 191.
In addition, provide bellows 160 further, be wherein provided with the first support spring 162 for yielding support valve bush 193, bellows 160 is installed in the sleeve 150 that is positioned over below valve bush 193.Hereafter the mounting point of bellows 160 will be described in more detail.
In addition, arrange between valve bush 193 and sleeve 140 inside towards open the safety-valve 190 the force application component 181 that exerts a force of the direction of through hole 191, and to be supported in sleeve 140 inner in its one end.
Owing to there is the bellows 160 being provided with the first support spring 162, valve bush 193 is caused to maintain the closed condition of through hole 191.
Meanwhile, the setting pressure of safety valve 190 is regulated by the elastic force of the bellows 160 being provided with the first support spring 162.
In addition, the first influent stream path 195 being connected to crankcase 86 is formed in sleeve 140, and the second influent stream path 196 being connected to the first influent stream path 195 is formed in Safety valve body 192.
The safety valve 190 ' of another exemplary of the present invention according to Fig. 9 and Figure 10 comprises the 3rd guide hole 191 ' be formed in sleeve 140 and opens and closes the Safety valve body 192 ' of the 3rd guide hole 191 ' with moving back and forth.Herein, when the pressure P c of crankcase 86 directly puts on Safety valve body 192 ', Safety valve body 192 ' opens and closes the 3rd guide hole 191 '.
In addition, provide bellows 160 further, be wherein provided with the first support spring 162 for yielding support Safety valve body 192 ', bellows 160 is installed in and will be positioned in the sleeve 150 of Safety valve body 192 ' below.Hereafter the mounting point of bellows 160 will be described in more detail.
In addition, between safety valve 190 ' and sleeve 140 inside, arrange the force application component 181 exerted a force towards the direction of opening the 3rd guide hole 191 ', and its one end is supported in sleeve 140 inside.
Owing to there is the bellows 160 being provided with the first support spring 162, Safety valve body 192 ' is caused to maintain the closed condition of the 3rd guide hole 191 '.
Meanwhile, the setting pressure of safety valve 190 ' is regulated by the elastic force of the bellows 160 being provided with the first support spring 162.
In addition, the perforate part 193 ' with smooth outer circumferential face is formed in Safety valve body 192 ', and goes out flow path 194 ' and be formed between perforate part 193 ' and sleeve 140 inside.Preferably, the outer circumferential face of Safety valve body 192 ' forms multiple perforate part 193 '.
In addition, the first influent stream path 195 ' being connected to crankcase 86 is formed in sleeve 140, and the second influent stream path 196 ' being connected to the first influent stream path 195 ' is formed in Safety valve body 192 '.
Because escape valve 150, safety valve 190 and 190 ' are arranged respectively by this way, cause during the initialization of compressor (at this moment the pressure P c of compressor crankcase 86 increases sharply), the major diameter part 152 of valve body 120 opens the second guide hole 151.
That is, when applying electric current to solenoid 130, the major diameter part 152 be formed in valve body 120 moves down to open the second guide hole 151, and when electric current is cut off, major diameter part 152 moves up to close the second guide hole 151.
In addition, when escape valve 150 is opened, the pressure P c increased sharply of crankcase 86 is sent to safety valve 190 and 190 ', make valve bush 193 and safety valve 192 ' open through hole 191 and the 3rd guide hole 191 ' respectively, thus the pressure P c of crankcase 86 can be fast released air aspiration cavity 22.
Because escape valve 150, safety valve 190 and 190 ' work respectively by this way, cause during the initialization of compressor, in crankcase 86, the liquid refrigerant of evaporation can be discharged into air aspiration cavity 22 smoothly, thus prevents the work of compressor by time delay and promote that swash plate 50 moves towards its maximum tilt angle.
In addition, helitron 130 comprises: the movable core 131 being connected to sleeve 140; Be arranged in the electronic coil 132 circumferentially of movable core 131; Around the helical pipe box 134 of electronic coil 132 grade; Be arranged in the secured core 133 in electronic coil 132; And be connected to secured core 133 and be fixed to hereafter by the bar 135 of the bellows 160 of description.
Helical pipe box 134 corresponds to injecting products around electronic coil 132 or insulation crust.
In addition, the 4th guide hole 131a for the movement of guide rod 135 is formed in movable core 131.
Therefore, when applying electric current to helitron 130, movable core 131, sleeve 140 and valve body 120 are ordered about to move back and forth, and meanwhile, valve body 120 opens and closes the entrance of the first guide hole 117 connecting exhaust cavity attachment hole 113 and crankcase attachment hole 112.
In addition, spring 125 of offing normal is provided between secured core 133 and movable core 131.Therefore, under the normal state not having external force, valve body 120 moves up the open mode maintaining the first guide hole 117, simultaneously valve body 120 major diameter part 152 on maintain the closed condition of the second guide hole 151.
Bar 135 is threadingly attached to secured core 133, makes it possible to the initial set value being regulated the bellows 160 that will be described below by the rotation of bar 135.
In addition, valve body 120 maximum opening by sleeve 140 side and there is the first guide hole 117 valve pocket 110 in facings side control.
In addition, receiving part 170 is formed in sleeve 140, and bellows 160 is arranged in receiving part 170.
Meanwhile, receiving part 170 is directly connected to air aspiration cavity 22, makes it be applied in the pressure P s of air aspiration cavity.
Insertion groove 161 is formed on bellows 160, and the patchhole 135a corresponding to insertion groove 161 is formed in bar 135, makes them be securely connected to prevent relative movement.
Meanwhile, preferably, on bellows 160, the inchoate the other end of insertion groove 161 is fixed to sleeve 140 inside.
First support spring 162 can be arranged in bellows 160 and maintain swelling state.
In addition, guide groove 131b is formed on movable core 131 and is connected with air aspiration cavity attachment hole 111.
Therefore, the pressure P s of air aspiration cavity 22 is also applied in helical pipe box 134.Due to this structure, cause the pressure P s of air aspiration cavity 22 also can be applied in movable core 131 and sleeve 140.
In addition, when the suction refrigerant gas of pressure P s with air aspiration cavity 22 is through helical pipe box 134, helitron 130 can obtain effective cooling.Therefore, the reliability of helitron 130 increases, and helitron 130 can accurately produce with current in proportion, the electromagnetic force of heat effects that can not be produced.
Meanwhile, circular groove 136 is formed on bar 135, and O shape ring 137 is inserted in circular groove 136, thus prevents the refrigrant leakage that is fed to by guide groove 131b.
In addition, in exhaust cavity attachment hole 113, provide filter 180, enter control valve to prevent foreign matter.
The present invention is described in detail by reference to its preferred embodiment.But it will be understood by a person skilled in the art that, when not deviating from principle of the present invention and spirit, can change these embodiments, the scope of principle of the present invention and spirit defines in appended claims and equivalent scope thereof.
Claims (21)
1., for a displacement control valve for variable compressor, described displacement control valve comprises:
Valve pocket, it comprises and receives the pressure from described compressor crankcase, the crankcase attachment hole of pressure in the pressure from described compressor discharge chamber and described compressor air suction chamber, exhaust cavity attachment hole and air aspiration cavity attachment hole respectively, and comprises the first guide hole through described exhaust cavity attachment hole and described crankcase attachment hole further;
Valve body, it moves back and forth the entrance opening and closing described first guide hole;
Helitron, it makes described valve body move back and forth when being applied in electric current;
Sleeve, it connects described helitron and described valve body; And
Escape valve, it is by the connection described in the motion control of described sleeve between crankcase and described air aspiration cavity,
Wherein said escape valve comprises the second guide hole be formed in described valve pocket and the auxiliary valve body moving back and forth to open and close described second guide hole entrance,
Wherein said valve pocket comprise the influent stream path that connects described crankcase attachment hole and described second guide hole be connected described second guide hole and described air aspiration cavity attachment hole go out flow path.
2. displacement control valve according to claim 1, the described valve body wherein opening and closing described first guide hole is in the opposite direction formed with the described auxiliary valve body opening and closing described second guide hole.
3., for a displacement control valve for variable compressor, described displacement control valve comprises:
Valve pocket, it comprises and receives the pressure from described compressor crankcase, the crankcase attachment hole of pressure in the pressure from described compressor discharge chamber and described compressor air suction chamber, exhaust cavity attachment hole and air aspiration cavity attachment hole respectively, and comprises the first guide hole through described exhaust cavity attachment hole and described crankcase attachment hole further;
Valve body, it moves back and forth the entrance opening and closing described first guide hole;
Helitron, it makes described valve body move back and forth when being applied in electric current;
Sleeve, it connects described helitron and described valve body; And
Escape valve, it is by the connection described in the motion control of described sleeve between crankcase and described air aspiration cavity,
Wherein said valve pocket comprises further towards described valve body one end and allows the valve gap that described escape valve is opened and closed by the motion of described valve body.
4. displacement control valve according to claim 3, wherein said escape valve comprises: the second guide hole, to be connected to described crankcase attachment hole on its inner peripheral surface being formed in described valve gap; Major diameter part, it to be formed in described valve body and to move back and forth to open and close the entrance of described second guide hole; Air vent, it is formed on described sleeve.
5. displacement control valve according to claim 4, wherein said valve body comprises small diameter portion, and its footpath, periphery is less than the inner circumferential footpath of described second guide hole, makes to be connected flow path at described second guide hole with being formed between described small diameter portion.
6. displacement control valve according to claim 5, wherein said sleeve comprises the influent stream path connecting described connection flow path and described air vent, and described valve pocket comprise the described air vent of connection and described air aspiration cavity attachment hole go out flow path.
7. displacement control valve according to claim 6, goes out flow path described in wherein being formed between described valve pocket and described sleeve.
8., for a displacement control valve for variable compressor, described displacement control valve comprises:
Valve pocket, it comprises and receives the pressure from described compressor crankcase, the crankcase attachment hole of pressure in the pressure from described compressor discharge chamber and described compressor air suction chamber, exhaust cavity attachment hole and air aspiration cavity attachment hole respectively, and comprises the first guide hole through described exhaust cavity attachment hole and described crankcase attachment hole further;
Valve body, it moves back and forth the entrance opening and closing described first guide hole;
Helitron, it makes described valve body move back and forth when being applied in electric current;
Sleeve, it connects described helitron and described valve body; And
Escape valve, it is by the connection described in the motion control of described sleeve between crankcase and described air aspiration cavity,
The wherein said displacement control valve for variable compressor comprises further: valve gap, and it is towards described valve body one end and be connected to described valve pocket to open and close described escape valve by the motion of described valve body; And safety valve, it controls the connection between described crankcase and described air aspiration cavity.
9. displacement control valve according to claim 8, wherein when the pressure of described crankcase or the difference between the pressure of described crankcase and the pressure of described air aspiration cavity are higher than opening described safety valve during predetermined value.
10. displacement control valve according to claim 8, wherein said safety valve comprises: Safety valve body, and it to insert in described sleeve and is wherein formed with through hole; Valve bush, it moves back and forth to open and close described through hole; And going out flow path, it is formed on the outer circumferential face of described valve bush.
11. displacement control valves according to claim 10, wherein said valve bush comprises the bellows being formed in its low side.
12. displacement control valves according to claim 11, wherein said bellows comprises the first support spring of being arranged on wherein and described bellows is arranged in described sleeve.
13. displacement control valves according to claim 10, it comprises force application component further, described force application component is arranged in exert a force along the direction of the described through hole opening described safety valve between described valve bush and described sleeve inner, and its one end is supported in described sleeve inner.
14. displacement control valves according to claim 8, wherein said safety valve comprises the 3rd guide hole be formed in described sleeve and the Safety valve body moving back and forth to open and close described 3rd guide hole.
15. displacement control valves according to claim 14, wherein said Safety valve body comprises the bellows being formed in its low side.
16. displacement control valves according to claim 15, wherein said bellows comprises the first support spring of being arranged on wherein and is arranged in described sleeve.
17. displacement control valves according to claim 14, it comprises force application component further, to exert a force along the direction of opening described 3rd guide hole between the inside that described force application component is arranged in described safety valve and described sleeve, and its one end is supported in the inside of described sleeve.
18. displacement control valves according to claim 14, wherein said safety valve comprises the perforate part with smooth outer circumferential face.
19. displacement control valves according to claim 18, wherein said safety valve comprises to be formed in and goes out flow path between described perforate part and the inside of described sleeve.
Displacement control valve described in 20. according to Claim 8 or 14, wherein said escape valve comprises: the second guide hole, to be connected to described crankcase attachment hole on its inner peripheral surface being formed in described valve gap; With major diameter part, it to be formed in described valve body and to move back and forth to open and close the entrance of described second guide hole.
21. displacement control valves according to claim 20, wherein said valve body comprises small diameter portion, and its footpath, periphery is less than the inner circumferential footpath of described second guide hole, makes to be connected flow path at described second guide hole with being formed between described small diameter portion.
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2009-0113692 | 2009-11-24 | ||
| KR1020090113692A KR101631217B1 (en) | 2009-11-24 | 2009-11-24 | Displacement control valve of variable displacement compressor |
| KR1020090113696A KR101083671B1 (en) | 2009-11-24 | 2009-11-24 | Displacement control valve of variable displacement compressor |
| KR10-2009-0113694 | 2009-11-24 | ||
| KR1020090113694A KR101083678B1 (en) | 2009-11-24 | 2009-11-24 | Displacement control valve of variable displacement compressor |
| KR10-2009-0113696 | 2009-11-24 | ||
| PCT/KR2010/007938 WO2011065693A2 (en) | 2009-11-24 | 2010-11-11 | Displacement control valve for variable displacement compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102667154A CN102667154A (en) | 2012-09-12 |
| CN102667154B true CN102667154B (en) | 2015-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201080058095.2A Active CN102667154B (en) | 2009-11-24 | 2010-11-11 | Displacement control valve for variable displacement compressor |
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| Country | Link |
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| CN (1) | CN102667154B (en) |
| WO (1) | WO2011065693A2 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6064132B2 (en) * | 2012-10-09 | 2017-01-25 | 株式会社テージーケー | Compound valve |
| CN106594385A (en) * | 2017-03-03 | 2017-04-26 | 上海巨良电磁阀制造有限公司 | Energy-saving high-vacuum electromagnetic valve with counting function |
| JP7086490B2 (en) * | 2017-12-08 | 2022-06-20 | イーグル工業株式会社 | Capacity control valve and capacity control valve control method |
| US11053933B2 (en) * | 2018-12-13 | 2021-07-06 | Eagle Industry Co., Ltd. | Displacement control valve |
| CN110005869B (en) * | 2019-04-17 | 2021-07-06 | 上海进纬仪器设备有限公司 | Corrugated pipe and electromagnetic valve with same |
| KR20220159471A (en) | 2020-04-23 | 2022-12-02 | 이구루코교 가부시기가이샤 | capacity control valve |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101418788A (en) * | 2007-10-24 | 2009-04-29 | 株式会社丰田自动织机 | Displacement control valve for compressor with variable displacement |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1054349A (en) * | 1996-08-12 | 1998-02-24 | Toyota Autom Loom Works Ltd | Variable displacement compressor |
| JP2002089442A (en) * | 2000-09-08 | 2002-03-27 | Toyota Industries Corp | Control valve for variable displacement compressor |
| JP4046530B2 (en) * | 2002-03-26 | 2008-02-13 | 株式会社テージーケー | Capacity control valve for variable capacity compressor |
| JP2005127283A (en) * | 2003-10-27 | 2005-05-19 | Calsonic Kansei Corp | Displacement control valve for variable displacement compressor |
| JP4833820B2 (en) * | 2006-12-25 | 2011-12-07 | 株式会社鷺宮製作所 | Capacity control valve, capacity variable compressor and air conditioner |
| JP2009057855A (en) * | 2007-08-30 | 2009-03-19 | Sanden Corp | Variable displacement compressor |
| JP4959525B2 (en) * | 2007-11-29 | 2012-06-27 | 株式会社不二工機 | Control valve for variable displacement compressor |
-
2010
- 2010-11-11 CN CN201080058095.2A patent/CN102667154B/en active Active
- 2010-11-11 WO PCT/KR2010/007938 patent/WO2011065693A2/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101418788A (en) * | 2007-10-24 | 2009-04-29 | 株式会社丰田自动织机 | Displacement control valve for compressor with variable displacement |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102667154A (en) | 2012-09-12 |
| WO2011065693A2 (en) | 2011-06-03 |
| WO2011065693A3 (en) | 2011-09-22 |
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