CN102207224A - Motorized valve - Google Patents

Motorized valve Download PDF

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Publication number
CN102207224A
CN102207224A CN2011100900355A CN201110090035A CN102207224A CN 102207224 A CN102207224 A CN 102207224A CN 2011100900355 A CN2011100900355 A CN 2011100900355A CN 201110090035 A CN201110090035 A CN 201110090035A CN 102207224 A CN102207224 A CN 102207224A
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CN
China
Prior art keywords
valve
valve rod
rod frame
rotor
spool
Prior art date
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Granted
Application number
CN2011100900355A
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Chinese (zh)
Other versions
CN102207224B (en
Inventor
小柳津薰
大内共存
梅泽仁志
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Fujikoki Corp
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Fujikoki Corp
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Publication of CN102207224A publication Critical patent/CN102207224A/en
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Publication of CN102207224B publication Critical patent/CN102207224B/en
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  • Multiple-Way Valves (AREA)

Abstract

The invention provides a motorized valve with a low manufacturing cost due to part number decrease and manufacturing process simplification. The motorized valve comprises a valve main body having a valve chamber and a valve hole formed in the valve chamber, a valve core for opening and closing the valve hole; a housing projecting from the valve main body; a stator coil equipped on the outer side of the housing; a resin rotor equipped on the inner side of the housing and performing rotation by means of the electrified excitation of the stator coil; a threaded pipe fixed on the valve main body; a resin valve rod frame configured in a way to rotate simultaneously with the rotor and making the valve core open and close the valve hole through a valve rod by means of the thread feeding motion between the valve rod frame and the threaded pipe; a valve-closing spring equipped between the valve rod frame and the valve rod and exerting force on the valve core through the valve rod towards the valve hole closing direction; and a limiter cooperating with the valve-closing spring for preventing relative motion of the valve rod frame and the rotor on the direction where the valve core opens and closes the valve hole.

Description

Mortor operated valve
Technical field
The present invention relates to be used in the cooling cycle system mortor operated valve of the flow control of refrigeration agent.
Background technique
As an example of said electric valve, as shown in Figure 3, the mortor operated valve of records such as patent documentation 1 comprises: valve body 54, the valve opening 52a that this valve body 54 has valve chamber 52 and is formed at this valve chamber 52; And the spool 53 that opens and closes valve opening 52a, by being arranged at, thereby on above-below direction, drive the control that spool 53 carries out the fluid of refrigeration agent etc. from valve body 54 driving mechanism 59 of outstanding housing 57 inside upward.
The driving of the spool 53 that is undertaken by above-mentioned driving mechanism 59 is undertaken by stepping motor, and this stepping motor is made of rotor 56 that is arranged at housing 57 inside and the stator 58 that is embedded in housing 57 outward.During rotor 56 rotation, stop ring 60 and valve rod frame 61 rotates thereupon, utilize valve rod frame 61 and are fixed in screw thread feeding effect between the threaded pipe 62 of valve body 54, thereby make spool 53 liftings switching valve opening 52a.
The background technique document
Patent documentation
Patent documentation 1: TOHKEMY 2004-353679 communique
The problem that invention will solve
Yet, in the above-mentioned mortor operated valve 51 in the past, when constituting driving mechanism 59, by insert moulding stop ring 60 and rotor 56 are formed as one, the protuberance 61a on valve rod frame 61 tops is fitted to interior all holes portion of stop ring 60, the periphery of this protuberance of riveted fixing 61a, thereby rotor 56, stop ring 60 and valve rod frame 61 are combined into one, and therefore restriction body 63 in assembling restriction spool 53 declines on the valve rod frame 61 exists the problem that the parts number of packages is many, make trouble.
Summary of the invention
Therefore, the present invention makes in view of the problem of above-mentioned mortor operated valve in the past, and its purpose is by cutting down the parts number of packages, simplifying the mortor operated valve that manufacturing process provides low cost of manufacture.
Be used to solve the means of problem
In order to reach above-mentioned purpose, mortor operated valve of the present invention comprises: valve body, the valve opening that this valve body has valve chamber and is formed at this valve chamber; Open and close the spool of described valve opening; From the outstanding housing of described valve body; Be disposed at the stator coil of this hull outside; Rotor, this rotor configuration be in described housing inboard, and the energising excitation by described stator coil is rotated; Be fixed in the threaded pipe of described valve body; Valve rod frame, this valve rod frame form and can together rotate with this rotor, utilize the screw thread feeding effect between this valve rod frame and the described threaded pipe, open and close described valve opening by valve rod by described spool; Close valve spring, this closes valve spring and is assemblied between described valve rod frame and the described valve rod, by this valve rod to the closing direction application of force of described spool to described valve opening; And limiter, this limiter closes valve spring with this and cooperates, and prevents that described valve rod frame and described rotor from opening and closing relatively moving on the direction of described valve opening at described spool.
And, according to the present invention, the valve rod frame forms and can together rotate with rotor, valve spring is closed in utilization and limiter prevents valve rod frame and rotor relatively moving on the direction of spool switching valve opening, thus, can reduce the parts number of packages and can simplify manufacturing process, can reduce the manufacture cost of mortor operated valve.
In the said electric valve, described valve rod frame and described rotor can be resinous, can further reduce manufacture cost thus.In addition, described valve rod frame has the limitation part that is construed as limiting mechanism integratedly, and described limting mechanism limits described spool and moves to the direction of closing described valve opening when closing valve, thus, the parts number of packages can be further cut down, thereby the manufacture cost of mortor operated valve can be further reduced.
In addition, extend a plurality of prominent bar that is provided with on the direction of described valve opening having on the outer surface of described valve rod frame to open and close at described spool, on the internal surface of described rotor, have a plurality of slot parts that engage with these a plurality of prominent bars, by the engaging of these a plurality of slot parts and described a plurality of prominent bars, described valve rod frame is constituted as and can together rotates with described rotor.
Further, described valve rod frame has the direction that opens and closes described valve opening from described spool, and to observe section be the D notch of D word shape, described rotor has the hole portion that engages with this D notch, by the engaging of this hole portion and described D notch, described valve rod frame is constituted as and can together rotates with described rotor.
The effect of invention
As mentioned above, according to the present invention,, can provide a kind of mortor operated valve of low cost of manufacture by cutting down components number, simplifying manufacturing process.
Description of drawings
Fig. 1 represents the 1st example of mortor operated valve of the present invention, (a) is sectional drawing, (b) is the A-A line sectional drawing (still, (b) only illustrate the inside of housing, (a) in described enclosure interior integral body) of (a).
Fig. 2 represents the 2nd example of mortor operated valve of the present invention, (a) is sectional drawing, (b) is the B-B line sectional drawing of (a), (c) is the C-C line sectional drawing (still, (b) only illustrate the inside of housing, (a) in described enclosure interior integral body) of (a).
Fig. 3 is a sectional drawing of representing an example of mortor operated valve in the past.
Symbol description
1 mortor operated valve
2 valve chambers
The 2a valve opening
3 valve rods
The 3a spool
3b top diameter reducing part
4 valve bodies
5 times restriction bodies
6 rotors
The 6a slot part
7 threaded pipes
The 7a outer screw section
8 valve rod framves
The 8a bar of dashing forward
8b female thread portion
The last limitation part of 8c
9 close valve spring
10 Returnning springs
11 housings
13 outlet pipes
14 intake channels
16 flange shape plates
17 limiters
The discoideus portion of 17a
The cylindric portion of 17b
18 stator coils
22 lead terminals
23 substrates
24 lead-in wires
31 mortor operated valves
36 rotors
36a hole portion
The 36b card complex hole
The 36c recess
The 36d through hole
38 valve rod framves
38a D notch
38b female thread portion
The last limitation part of 38c
38d spline protuberance
47 limiters
The discoideus portion of 47a
The cylindric portion of 47b
Embodiment
Below, with reference to accompanying drawing example of the present invention is elaborated.
Fig. 1 represents the 1st example of mortor operated valve of the present invention, and this mortor operated valve 1 is by constituting with lower member: valve body 4, the valve opening 2a that this valve body 4 has valve chamber 2 and is formed at this valve chamber 2; Spool 3a, this spool 3a is formed at the underpart of valve rod 3, and 2a opens and closes to valve opening; From the outstanding housing 11 of valve body 4; Be disposed at the stator coil 18 in housing 11 outsides; The rotor 6 that energising excitation by stator coil 18 is rotated; Be fixed in the threaded pipe 7 of valve body 4; Valve rod frame 8, this valve rod frame 8 form and can together rotate with rotor 6, and the screw thread feeding effect between utilization and the threaded pipe 7 makes spool 3a by valve rod 3 liftings; Close valve spring 9, this closes valve spring 9 and is assemblied between valve rod frame 8 and the valve rod 3, by 3 couples of spool 3a of valve rod to the valve opening 2a direction application of force; And limiter 17, described limiter 17 is cooperated with closing valve spring 9, prevents the relatively moving of above-below direction of valve rod frame 8 and rotor 6.
In the sidepiece and the bottom of valve body 4, the outflow of fluid, intake channel 13,14 are joined together with the state that is communicated with valve chamber 2.In the valve chamber 2 in valve body 4, run through being provided with valve opening 2a, by the flow of the gap control fluid between valve opening 2a and the spool 3a.
The stepped part butt of lid underpart of housing 11 cylindraceous and flange shape plate 16 is arranged and weld together, these flange shape plate 16 riveted fixing are in valve body 4, in the internal configurations of housing 11 rotor 6 that drives spool 3a on above-below direction, threaded pipe 7, valve rod frame 8, valve rod 3 etc. are arranged.
Rotor 6 is cylindric by metal magnetic powder that mixes and resin forming, has a plurality of slot part 6a that extend upward setting at the upper and lower of Fig. 1 (a) on inner peripheral surface.Extend a plurality of prominent bar 8a that is provided with equally along the vertical direction by these a plurality of slot part 6a and on the outer surface of valve rod frame 8, rotor 6 constitutes and can together rotate with valve rod frame 8.In addition, utilize limiter 17 and close valve spring 9 grip rolls 6 and valve rod frame 8, limit their the relatively moving of above-below direction, described limiter 17 is with the upper surface butt of discoideus 17a and rotor 6 and valve rod frame 8, and cylindric 17b is fixedly welded on the top diameter reducing part 3b of valve rod 3.
Rotor 6 constitutes stepping motor with the stator that comprises the stator coil 18 that is disposed at housing 11 outsides, and rotor 6 is rotated by the energising excitation for stator coil 18.Be connected with a plurality of lead terminals 22 on stator coil 18, a plurality of lead-in wires 24 are connected with these lead terminals 22 by substrate 23.
Valve rod frame 8 is positioned at the outside of threaded pipe 7, is the drum of lower opening by resin forming, and helical is provided with the 8b of female thread portion that the outer screw section 7a with threaded pipe 7 is screwed on the side face within it.The outstanding integratedly bottom that is arranged at valve rod frame 8 of last limitation part 8c, limitation part 8c can connect with the following restriction body 5 that is fixed on the threaded pipe 7 on this.
Underpart at valve rod 3 has spool 3a integratedly, and this valve rod 3 can be intercalated in the center of valve rod frame 8 up or down.Valve rod 3 is installed on by compression and closes valve spring 9 by the application of force downwards always in the valve rod frame 8.
Helical is provided with outer screw section 7a on the outer circumferential face of threaded pipe 7, and this threaded pipe 7 fixes with the following restriction body 5 that is construed as limiting a side of mechanism.As mentioned above, following restriction body 5 constitutes and can connect with the last limitation part 8c of valve rod frame 8.
Be provided with Returnning spring 10 in the upper end portion of valve rod 3, undue upward the moving of valve rod 3 during action and make screwing togather when throwing off between the 8b of female thread portion of the external screw thread 7a of threaded pipe 7 and valve rod frame 8, to valve rod frame 8 to the threaded pipe 7 side application of forces.
Mortor operated valve 1 with said structure, by go between 24, substrate 23 and lead terminal 22 carry out the energising of a direction and during excitation, rotor 6 rotations are accompanied therewith to stator coil 18, valve rod frame 8 rotates relatively with respect to threaded pipe 7.At this, because the bottom of threaded pipe 7 is fixed on the valve body 4, the therefore feed screw mechanism between the 8b of female thread portion of outer screw section 7a by threaded pipe 7 and valve rod frame 8, for example, valve rod frame 8 descends, and valve rod 3 also descends together therewith, thus spool 3a close valve orifice 2a.In addition, by the last limitation part 8c of valve rod frame 8 and the butt that limits body 5 down, the further decline of restriction spool 3a.
Then, carry out the energising of other direction and during excitation to stator coil 18, with respect to the threaded pipe 7 that is fixed on the valve body 4, rotor 6 rotates relatively to the opposite direction of above-mentioned direction, by described feed screw mechanism, valve rod frame 8 rises, thereby the spool 3a of the lower end of valve rod 3 is moved upward and opens valve opening 2a.
As above, adopt said electric valve 1, the threaded pipe 7 of valve body 4 and the screw thread feeding effect between the valve rod frame 8 are fixed in utilization, thereby make spool 3a open and close valve opening 2a by valve rod 3 liftings, this mechanism is by rotor 6 and can constitute with the valve rod frame 8 that rotor 6 together rotates, and owing to be formed with limitation part 8c on the valve rod frame 8, so need rotor 56 when constituting same mechanism in as shown in Figure 3 the mortor operated valve in the past 51, stop ring 60, the situation of valve rod frame 61 and 63 4 parts of last restriction body is compared, mortor operated valve 1 has only used two parts, therefore can realize the reduction of parts number of packages.
In addition, when assembling mortor operated valve 1, after the rotor 6 of resin forming and valve rod frame 8 be combined into one, both can as long as both are held on to close between valve spring 9 and the limiter 17, do not need as mortor operated valve 51 in the past, stop ring 60 riveted fixing to be arrived the top of valve rod frame 61, therefore can simplify manufacturing process.In addition, by such structure,, can provide the mortor operated valve of above-mentioned parts number of packages reduction and low cost of manufacture owing to can use resin manufacture valve rod frame 8 and rotor 6.
Below, with reference to Fig. 2 the 2nd example of mortor operated valve of the present invention is described.In addition, in the following description, for the constituting component identical with mortor operated valve shown in Figure 11, the reference number that mark is identical is omitted its detailed description.
The mortor operated valve 31 of this example is by constituting with lower member: valve body 4, the valve opening 2a that described valve body 4 has valve chamber 2 and is formed at this valve chamber 2; Spool 3a, this spool 3a be formed at valve rod 3 the underpart, valve opening 2a is opened and closed; From the outstanding housing 11 of valve body 4; Be disposed at the stator coil 18 in housing 11 outsides; The rotor 36 that energising excitation by stator coil 18 is rotated; Be fixed in the threaded pipe 7 of valve body 4; Valve rod frame 38, this valve rod frame 38 form and can together rotate with rotor 36, and the screw thread feeding effect between utilization and the threaded pipe 7 makes spool pass through valve rod 3 liftings; Close valve spring 9, this closes valve spring 9 and is assemblied between valve rod frame 8 and the valve rod 3, by 3 couples of spool 3a of valve rod to the valve opening 2a direction application of force; And limiter 47, this limiter 47 is cooperated with closing valve spring 9, prevents the relatively moving of above-below direction of valve rod frame 38 and rotor 36.
Inside at housing 11, dispose on above-below direction the rotor 36 that drives spool 3a, threaded pipe 7, valve rod frame 38, valve rod 3 etc., in this example, the structure of rotor 36, valve rod frame 38 and limiter 47 is different with rotor 6, valve rod frame 8 and the limiter 17 of mortor operated valve 1 shown in Figure 1.
Rotor 36 is cylindric by metal magnetic powder that mixes and resin forming, has the 36a of hole portion and the card complex hole 36b that are the D font in plan view.On the other hand, valve rod frame 38 has D notch 38a and the spline protuberance 38d that is the D font in plan view.The D notch 38a of this 36a of hole portion and valve rod frame 38 fastens, and the card complex hole 36b of the spline protuberance 38d of valve rod frame 38 and rotor 36 fastens, and thus, rotor 36 constitutes and can together rotate with valve rod frame 38.In addition, preferable case is to make 38 distortion of spline protuberance by ultrasonic welding, and carry out the binding of spline protuberance 38 and card complex hole 36b reliably.In addition, in the rotor 36,, be provided with recess 36c for improving purpose such as moldability, if but refrigerating machine oil, liquid refrigerant be detained at this, then can produce the skew of weight, the variation of center of gravity, thereby may cause obstruction action.At this, be provided with the through hole 36d that the refrigerating machine oil in the recess 36c, liquid refrigerant are discharged to the outside in this example.
In addition, utilize limiter 47 and close valve spring 9 grip rolls 36 and valve rod frame 38, limit their the relatively moving of above-below direction, described limiter 47 is with the upper surface butt of discoideus 47a and rotor 36 and valve rod frame 38, and cylindric 47b is fixedly welded on the top diameter reducing part 3b of valve rod 3.Rotor 36 constitutes stepping motor with the stator of the stator coil 18 that comprises the outside that is disposed at housing 11, and rotor 36 is rotated by the energising excitation to stator coil 18.
Valve rod frame 38 is positioned at the outside of threaded pipe 7, forms the drum of lower opening, has aforesaid D notch 38a and spline protuberance 38d.Be provided with the 38b of female thread portion that the outer screw section 7a with threaded pipe 7 is screwed on the inner peripheral surface of valve rod frame 38, last limitation part 38c is based in the bottom of valve rod frame 38 integratedly, and limitation part 38c can connect with the following limiter 5 that is fixed on the threaded pipe 7 on this.
Mortor operated valve 31 with said structure, by go between 24, substrate 23 and lead terminal 22 carry out the energising of a direction and during excitation, rotor 36 rotations are accompanied therewith to stator coil 18, valve rod frame 38 rotates relatively with respect to threaded pipe 7.At this, because the bottom of threaded pipe 7 is fixed on the valve body 4, the therefore feed screw mechanism between the 38b of female thread portion of outer screw section 7a by threaded pipe 7 and valve rod frame 38, for example, valve rod frame 38 descends, and valve rod 3 also descends together therewith, thus spool 3a close valve orifice 2a.In addition, by the last limitation part 38c of valve rod frame 38 and the butt that limits body 5 down, the further decline of restriction spool 3a.
Then, carry out the energising of other direction and during excitation to stator coil 18, with respect to the threaded pipe 7 that is fixed on the valve body 4, rotor 36 rotates relatively to the opposite direction of above-mentioned direction, by described feed screw mechanism, valve rod frame 38 rises, thereby the spool 3a of the lower end of valve rod 3 is moved upward and opens valve opening 2a.
As above, adopt said electric valve 31, the threaded pipe 7 of valve body 4 is fixed in utilization and thereby the screw thread feeding effect between the valve rod frame 38 makes spool 3a open and close valve opening 2a by valve rod 3 liftings, this mechanism is by rotor 36 and can constitute with the valve rod frame 38 that rotor 36 together rotates, and owing to be formed with limitation part 38c on the valve rod frame 38, so need rotor 56 when constituting same mechanism in as shown in Figure 3 the mortor operated valve in the past 51, stop ring 60, the situation of valve rod frame 61 and 63 4 parts of last restriction body is compared, mortor operated valve 31 has only used two parts, therefore also can realize the reduction of parts number of packages.
In addition, when assembling mortor operated valve 31, after the rotor 36 of resin forming and valve rod frame 38 are combined into one, both can as long as both are clamped in to close between valve spring 9 and the limiter 47, do not need as mortor operated valve 51 in the past the top of stop ring 60 riveted fixing to valve rod frame 61, therefore can simplify manufacturing process, can provide above-mentioned parts number of packages to cut down and the mortor operated valve of low cost of manufacture.
In addition, in above-mentioned example, valve rod frame 8,38 possesses last limitation part 8c, 38c integratedly, yet valve rod frame 8,38 and last limitation part 8c, 38c also can separately form, described limitation part 8c, the 38c of going up is construed as limiting mechanism, and this limting mechanism limits spool 3a and moves to the direction of close valve orifice 2a when closing valve.In this case, also the rotor 56 in the mortor operated valve in the past 51 shown in Figure 3, stop ring 60 can be made parts, and rotor 6,36 and valve rod frame 8,38 as parts can be easily integrated, can reduce the manufacture cost of mortor operated valve 1,31.
In addition, integrally formed rotor 6,36 and valve rod frame 8,38 o'clock, can not utilize such hole portion 36 of the cooperation of such a plurality of slot part 6a of the 1st example and prominent bar 8a and the 2nd example and the cooperation of D notch 38a, for example, can both be engaged by a key, as long as can make both stable integratedly rotations, can use various structures.
In addition, in the above-mentioned example, to being illustrated, yet also can forming female thread on the threaded pipe 7, on valve rod frame 8,38, form external screw thread in the situation that forms external screw thread on the threaded pipe 7, on valve rod frame 8,38, form female thread.

Claims (6)

1. a mortor operated valve is characterized in that, comprising:
Valve body, the valve opening that this valve body has valve chamber and is formed at this valve chamber;
Open and close the spool of described valve opening;
From the outstanding housing of described valve body;
Be disposed at the stator coil of this hull outside;
Rotor, this rotor configuration be in described housing inboard, and the energising excitation by described stator coil is rotated;
Be fixed in the threaded pipe of described valve body;
Valve rod frame, this valve rod frame form and can together rotate with this rotor, utilize the screw thread feeding effect between this valve rod frame and the described threaded pipe, open and close described valve opening by valve rod by described spool;
Close valve spring, this closes valve spring and is assemblied between described valve rod frame and the described valve rod, by this valve rod to the closing direction application of force of described spool to described valve opening; And
Limiter, this limiter closes valve spring with this and cooperates, and prevents that described valve rod frame and described rotor from opening and closing relatively moving on the direction of described valve opening at described spool.
2. mortor operated valve as claimed in claim 1 is characterized in that, described rotor and described valve rod frame are formed from a resin.
3. mortor operated valve as claimed in claim 1 is characterized in that, described valve rod frame has the limitation part that is construed as limiting mechanism integratedly, and described limting mechanism limits described spool and moves to the direction of closing described valve opening when closing valve.
4. mortor operated valve as claimed in claim 2 is characterized in that, described valve rod frame has the limitation part that is construed as limiting mechanism integratedly, and described limting mechanism limits described spool and moves to the direction of closing described valve opening when closing valve.
5. as each the described mortor operated valve in the claim 1 to 4, it is characterized in that, extend a plurality of prominent bar that is provided with on the direction of described valve opening having on the outer surface of described valve rod frame to open and close at described spool, on the internal surface of described rotor, have a plurality of slot parts that engage with these a plurality of prominent bars, by the engaging of these a plurality of slot parts and described a plurality of prominent bars, described valve rod frame is constituted as and can together rotates with described rotor.
6. as each the described mortor operated valve in the claim 1 to 4, it is characterized in that, described valve rod frame has the direction that opens and closes described valve opening from described spool, and to observe section be the D notch of D word shape, described rotor has the hole portion that engages with this D notch, by the engaging of this hole portion and described D notch, described valve rod frame is constituted as and can together rotates with described rotor.
CN201110090035.5A 2010-03-30 2011-03-30 Mortor operated valve Active CN102207224B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010076555A JP5563862B2 (en) 2010-03-30 2010-03-30 Motorized valve
JP2010-076555 2010-03-30

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CN102207224A true CN102207224A (en) 2011-10-05
CN102207224B CN102207224B (en) 2015-08-26

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08312822A (en) * 1995-05-18 1996-11-26 Saginomiya Seisakusho Inc Motor-driven control valve
JP2001021058A (en) * 1999-07-08 2001-01-26 Saginomiya Seisakusho Inc Electric control valve
JP2004353679A (en) * 2003-04-02 2004-12-16 Fuji Koki Corp Motor operated valve
CN1576663A (en) * 2003-07-25 2005-02-09 株式会社不二工机 Electric valve
CN101629649A (en) * 2008-07-16 2010-01-20 株式会社鹭宫制作所 Electric valve

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3310042B2 (en) * 1993-02-16 2002-07-29 株式会社不二工機 Rotor center body for motor-operated valve, rotor feed screw, and method of manufacturing rotor
JP4446513B2 (en) * 1999-06-14 2010-04-07 株式会社不二工機 Electric flow control valve
JP2003042325A (en) * 2001-07-26 2003-02-13 Saginomiya Seisakusho Inc Electric valve, driving device thereof, and refrigerating cycle device
JP2006200663A (en) * 2005-01-21 2006-08-03 Saginomiya Seisakusho Inc Electric control valve

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08312822A (en) * 1995-05-18 1996-11-26 Saginomiya Seisakusho Inc Motor-driven control valve
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