CN103306827B - Automatically controlled valve of holding one's breath - Google Patents
Automatically controlled valve of holding one's breath Download PDFInfo
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- CN103306827B CN103306827B CN201310193508.3A CN201310193508A CN103306827B CN 103306827 B CN103306827 B CN 103306827B CN 201310193508 A CN201310193508 A CN 201310193508A CN 103306827 B CN103306827 B CN 103306827B
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- spool
- hole
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- valve
- upper cover
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Abstract
The invention discloses a kind of automatically controlled valve of holding one's breath, be intended to overcome the problem that prior art exists " inertia air inlet ".It includes upper cover (1), connecting plate (2), spool (3), valve body (4), reducing motor (5) and limit stick (10), spool (3) load valve body (4) valve element circle through hole and spool round pool in for being rotationally connected, be interference fit in the blind hole of limit stick (10) insertion spool (3) top end, it is interference fit in the groove that connecting plate (2) is arranged on spool (3) top, the main valve body top that upper cover (1) is arranged on valve body (4) is that bolt connects, and make the restraining groove (9) on upper cover (1) be sleeved on limit stick (10), reducing motor (5) is arranged on upper cover (1) vertically, center hole on the output shaft of reducing motor (5) and connecting plate (2) is equipped with, the terminal of reducing motor (5) are connected by the P1.2 pin of driving chip and single-chip microcomputer and P1.3 pin electric wire.
Description
Technical field
The present invention relates to a kind of valve on motor, or rather, the present invention relates to a kind of automatically controlled valve of holding one's breath being arranged on fuel oil supply system in four-stroke carburetor engine between Carburetor and motor.
Background technique
Four-stroke carburetor engine stop working after due to the free-wheel of flywheel, there is the problem of " inertia air inlet ".So-called " inertia air inlet " refers in four-stroke carburetor engine spark plug stopping arcing, after cannot mixed gas being lighted, bent axle continues to rotate under the effect of inertia of flywheel, continue to drive reciprocating motion of the pistons, degree of vacuum in the cylinder needed for air-breathing still can be formed in cylinder, cause mixed gas to enter cylinder but not burn, and be discharged in air in exhaust stroke, cause the waste of fuel oil and the hydrocarbon pollution to atmosphere environment.
And a small amount of fuel oil waste caused in " inertia air inlet " process, can take care of the pence along with the increase of motor service time (mainly referring to that engine operation is stopped working and abnormal flame-out number of times after completing).According to data, the mean lifetime of current Home-made Motorcycles is at 50000 kilometers, calculate according to speed of a motor vehicle 50Km/h, the operating time of motor is 1000 hours, motorcycle is used for short distance and travels, a driving time conservative estimation is 0.5 hour, and finally show that the normal flame-out number of times of motor within its working life is at least 2000 times, therefore " inertia air inlet " becomes the fuel oil that can not look down upon wastes problem and hydrocarbon emission problem.Statistically treat, motorcycle in China will form huge fuel-economizing potentiality, so the fuel oil waste avoiding " inertia air inlet " to cause has for saving fuel oil and protection of the environment meaning of well demonstrating.But there is not the technology of the inertia air inlet problem existed after four-stroke carburetor engine can be stoped to stop working at present.
Summary of the invention
Technical problem to be solved by this invention overcomes the problem that prior art exists the fuel oil waste that " inertia air inlet " causes, and provides a kind of automatically controlled valve of holding one's breath.
For solving the problems of the technologies described above, the present invention adopts following technological scheme to realize: the single-chip microcomputer that described automatically controlled valve of holding one's breath includes upper cover, connecting plate, spool, valve body, reducing motor, limit stick, model are AT89C52 and model are the driving chip of L298.
Spool loads in valve element circle through hole on valve body and spool round pool, be transition fit between the upper end of spool and the valve element circle through hole of valve body, be transition fit between the inner cylindrical surface of the lower end of spool and the spool round pool of valve body, it is interference fit that limit stick inserts in the blind hole on spool top end, it is interference fit in the strip slot that connecting plate is arranged on spool top, upper cover is arranged on the main valve body top end in valve body as bolt connects, and make the restraining groove of upper cover be sleeved on limit stick, reducing motor is fixedly mounted on vertically and covers, the output shaft of reducing motor and the center hole of connecting plate are equipped with, P1.2 pin and the P1.3 pin electric wire of the terminal of reducing motor to be driving chip and the model of L298 by model the be single-chip microcomputer of AT89C52 are connected.
The gap of 0.5-1.0mm is left in the bottom surface of the bottom surface of the spool described in technological scheme and the spool round pool of valve body.
Limit stick described in technological scheme inserts in the blind hole on spool top end, and the upper end of limit stick exceeds spool upper level and is less than the thickness equaling upper cover.
The thickness of the connecting plate described in technological scheme is less than the degree of depth of the strip slot equaling spool top.
Upper cover described in technological scheme is a foursquare plate structure part, the center is provided with the round tube hole that is installed reducing motor output shaft, the side of installing the round tube hole of reducing motor output shaft arranges the arc-shaped slot of a quadrant, the rotational axis conllinear of the rotational axis of arc-shaped slot and the round tube hole of upper cover center, the corner place of upper cover is provided with bolt hole.
Spool described in technological scheme is a cylinder type hollow structural member, spool top end is processed with a blind hole of mounting limit rod, the turning radius of the arc-shaped slot that the Distance geometry of blind hole gyration center line-spacing spool gyration center line covers is equal, spool top end central position arranges the strip slot of the rectangle installing connecting plate, the degree of depth of the strip slot of rectangle is more than or equal to the thickness of connecting plate, in the middle part of spool radially on a valve core through hole is set, a side through hole is being disposed radially perpendicular to valve core through hole rotational axis, the diameter of side through hole is less than the diameter of valve core through hole, the diameter of valve core through hole equals the diameter of the valve hole of valve body.
Valve body described in technological scheme is by circular tube shaped suction tude interface, main valve body and flange plate type interface form, the main valve body of valve body is a cuboid shape structural member, the middle part of main valve body is provided with valve hole from left to right, the side that the side of main valve body is namely parallel with valve core through hole rotational axis is provided with the valve body side opening that rotational axis and valve core through hole rotational axis intersect vertically, one is processed downwards for coordinating spool round tube hole with the cylndrical surface of spool upper end from the center of the upper surface of main valve body, the bottom of the valve hole of main valve body arranges a spool round pool for coordinating with the cylndrical surface of spool lower end, the rotational axis conllinear of valve element circle through hole rotational axis and spool round pool, on the diameter of valve element circle through hole and spool round pool and spool, the equal diameters of lower end, corner place on the top end of main valve body is provided with tapped hole, the left end of the valve hole of main valve body is connected with circular tube shaped suction tude interface, the right-hand member of the valve hole of main valve body is connected with flange plate type interface, circular tube shaped suction tude interface, the equal diameters of valve hole and flange plate type interface, the rotational axis conllinear of three.
Compared with prior art the invention has the beneficial effects as follows:
1. automatically controlled valve of holding one's breath of the present invention functionally can effectively avoid inertia air inlet after engine misses, reduces fuel oil waste, decreases the fuel oil be discharged in air simultaneously, reduces hydrocarbon to the pollution of air;
2. automatically controlled gas check valve door upper valve core through hole radius of the present invention is identical with suction tude radius, does not change the shape in suction tude in the on-state, ensures mixed gas proper flow, effectively can avoid other valve problem, the problem includes: restriction loss problem;
3. the structure of automatically controlled valve of holding one's breath of the present invention is simple, easy for installation, can be installed after carburetor engine simple refit, is suitable for the repacking of various four-stroke carburetor engine based on oil-saving discharging-reducing object;
4. automatically controlled valve of holding one's breath of the present invention can block in service life of aeroengine at least 2000 subnormal flame-out after " inertia air inlet " process, the cumulative effect of fuel-economizing is remarkable, if can extensively be generalized on common four-stroke carburetor engine motorcycle, the benefit of oil-saving discharging-reducing will be more remarkable.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further illustrated:
Fig. 1 is the axonometric projection graph of automatically controlled valve of holding one's breath of the present invention;
Fig. 2 is automatically controlled valve mounting point schematic diagram on the engine of holding one's breath of the present invention;
Fig. 3 is the plan view of automatically controlled valve of holding one's breath of the present invention;
Fig. 4 is in the sectional view at A-A place in Fig. 3;
Fig. 5 be of the present invention automatically controlled to hold one's breath in valve adopt circuit theory diagrams;
In figure: 1. upper cover, 2. connecting plate, 3. spool, 4. valve body, 5. reducing motor, 6. motor, 7. Carburetor, 8. former intake duct, 9. restraining groove, 10. limit stick.
Embodiment
Below in conjunction with accompanying drawing, the present invention is explained in detail:
Described automatically controlled valve of holding one's breath comprises upper cover 1, connecting plate 2, spool 3, valve body 4, reducing motor 5, limit stick 10 and automatically controlled part.
Described upper cover 1 is a foursquare plate structure part, the center is provided with the round tube hole that is installed reducing motor 5 output shaft, the side of installing the round tube hole of reducing motor 5 output shaft is provided with the arc-shaped slot of a quadrant, its effect carries out spacing to the rotation of spool 3, the rotational axis conllinear of the rotational axis of arc-shaped slot and the round tube hole of upper cover 1 center; The corner place of upper cover 1 is provided with bolt hole, adopts in the bolt hole on bolt insertion corner and is fixed on valve body 4 by upper cover 1.
Described connecting plate 2 is strip board class formation part, the center is provided with rectangular through-hole, it is the output shaft of rectangle that the output terminal of reducing motor 5 is processed into the i.e. cross section identical with the rectangular through hole shape of connecting plate 2 center, the output shaft of reducing motor 5 and the rectangular through-hole of connecting plate 2 center are equipped with, by the transmission of torque of reducing motor 5 on spool 3, the terminal of reducing motor 5 are that the P1.2 pin of the single-chip microcomputer of AT89C52 and P1.3 pin electric wire are connected by driving chip and model.In the present invention, spool 3 material is aluminium, if directly process a rectangular opening thereon, because aluminium intensity is lower, can cause rectangular opening, under the torque of reducing motor 5, plastic deformation occurs, therefore, adopt the connecting plate 2 of carbon steel processing to transmit the torque of reducing motor 5 on spool 3, and then the use extending spool 3 export the life-span.
Described spool 3 is a cylinder type hollow structural member, spool 3 top end is drilled with a blind hole of mounting limit rod 10, the turning radius of the arc-shaped slot on the Distance geometry upper cover 1 of blind hole gyration center line-spacing spool 3 gyration center line is equal, namely after assembling, limit stick 10 inserts in the restraining groove 9 of the circular arc on upper cover 1, and limit stick 10 plays and carries out spacing to the rotation of spool 3, spool 3 top end central position arranges the strip slot of the rectangle installing connecting plate 2, and the degree of depth of the strip slot of rectangle is more than or equal to the thickness of connecting plate 2, in the middle part of spool 3 radially on be provided with the radius valve core through hole equal with two ends suction tude radius, the diameter of valve core through hole equals the diameter of the valve hole of valve body 4, a side through hole is being disposed radially perpendicular to this valve core through hole axis, namely the diameter that the diameter of side through hole is less than two ends suction tude is less than the diameter of valve core through hole, when valve core through hole is just to suction tude, for automatically controlled valve on state of holding one's breath, motor normally can suck mixed gas, when spool 3 turns over 90 ° under the effect of reducing motor 5, side through hole is just to the intake duct of motor 6 side, valve core through hole is just to the valve body side through hole of valve body 4 side, now motor will suck air.
Described valve body 4 is made up of circular tube shaped suction tude interface, main valve body and flange plate type interface, three is connected successively, main valve body in the middle part of valve body 4 is a cuboid shape structural member, the middle part of main valve body is provided with a radius and two ends suction tude interface and the circular tube shaped suction tude interface valve hole equal with flange plate type interface radius from left to right, the side that the side of main valve body is namely parallel with valve core through hole rotational axis is provided with the valve body side opening that rotational axis and valve core through hole rotational axis intersect vertically; A valve element circle through hole is processed downwards from the center of the upper surface of main valve body, for the cylndrical surface transition fit with spool 3 upper end, the bottom of the valve hole of main valve body arranges a spool round pool, spool round pool is used for the cylndrical surface transition fit with spool 3 lower end, the rotational axis conllinear of valve element circle through hole rotational axis and spool round pool, the diameter of valve element circle through hole and spool round pool and the equal diameters of spool 3 upper and lower end; The corner place of the top end of main valve body is provided with tapped hole, and tapped hole is used for and the bolt of fixed cover 1 is connected; The two ends of the valve hole of main valve body are connected with suction tude interface, left end is circular tube shaped suction tude interface, the right-hand member of right-hand member circular tube shaped suction tude interface is flange plate type interface with flange plate, the equal diameters of circular tube shaped suction tude interface, valve hole and flange plate type interface, the rotational axis conllinear of three, circular tube shaped suction tude interface is connected with motor 6 with Carburetor 7 successively with flange plate type interface; Valve body is the matrix of each Assembly of the parts of this automatically controlled valve of holding one's breath.
Described reducing motor 5 connects the mode of (needing at motor correct position auger shell pit) by splicing or bolt and is fixed on upper cover 1, installs rear motor axle and overlaps with spool 3 rotational axis, for the rotation of spool 3 provides power.
Described limit stick 10 is a cylinder bar class formation part, selects common mild steel material (bicycle spoke).
Described electric control part is divided and is comprised single-chip microcomputer that model is AT89C52 and model is the driving chip of L298, INPUT1 and the INPUT2 pin electric wire that model is P1.2 pin in the single-chip microcomputer of AT89C52 is the driving chip of L298 with model with P1.3 pin is successively connected, and model is that OUTPUT1 with the OUTPUT2 pin of the driving chip of L298 is connected with the positive and negative electrode electric wire of reducing motor 5.
Consult Fig. 2, automatically controlled valve of holding one's breath of the present invention is arranged between motor 6 and former suction tude 8, automatically controlled valve of holding one's breath is connected with the suction port on motor 6 cylinder head with the mode that one end of flange plate type interface is with bolts, one end of left end and circular tube shaped suction tude interface and the former suction tude 8 of motor is welded to connect, and the other end of former suction tude 8 is provided with Carburetor 7.
Consult Fig. 3, spool 3 loads in valve body 4 endoporus, in other words, it is transition fit that spool 3 loads in valve element circle through hole on valve body 4 and spool round pool, adopt transition fit between valve element circle through hole on the upper end of spool 3 and valve body 4, and adopt finish turning, reach and ensure bubble-tight surface roughness, the inner cylindrical surface of the spool round pool on the lower end of spool 3 and valve body 4 is for being rotationally connected, same employing transition fit, the gap of 0.5-1.0mm is left in spool round pool bottom surface on spool 3 bottom surface and valve body 4, like this after installing upper cover 1, the frictional force between spool 3 upper and lower end face and upper cover 1, valve body 4 surface can be reduced, thus minimizing rotational resistance, and the effect of storing lubricating grease also can be played in gap, interference fit is adopted by limit stick 10 to load in the blind hole of spool 3 top end, the upper end of the limit stick 10 after installation exceeds spool 3 upper surface distance (highly) and is less than the thickness equaling upper cover 1, it is interference fit in the groove that connecting plate 2 is arranged on spool 3 top, the bottom surface of connecting plate 2 contacts with the groove bottom of spool 3 top groove, connecting plate 2 upper surface is concordant with the upper surface of spool 3 or the former is a little less than the upper surface of spool 3, namely the thickness of connecting plate 2 is less than or equal to the degree of depth of groove, upper cover 1 is arranged on the main valve body top in valve body 4 and adopts plain bolt to connect and make the arc-shaped slot of the quadrant on upper cover 1 and restraining groove 9 be sleeved on limit stick 10, limit stick 10 slides in restraining groove 9 along with the rotation of spool 3.
Automatically controlled valve working principle of holding one's breath:
Consult Fig. 4, after the model P1.1 pin that is the single-chip microcomputer of AT89C52 detects engine misses signal, model is that to export two signals to model from P1.2 pin and P1.3 pin be the driving chip of L298 to the single-chip microcomputer of AT89C52, thus control reducing motor 5 performs an action, the output shaft rotation of reducing motor 5, drive connecting plate 2, because connecting plate 2 is fixedly connected with spool 3, thus movable valve plug 3 can be with to rotate in valve body 4.When turning to 90 °, limit stick 10 on spool 3 arrives the end of restraining groove 9 and spool 3 is stopped operating, the valve core through hole at the middle part of spool 3 can realize the conducting of former intake duct 8, namely when spool 3 rotates that 90 ° valve core through hole rotates 90 ° round about round about, spool 3 closes former intake duct 8, side through hole on the valve core through hole of spool 3 is just to the cylinder head suction port of the motor 6 of flange plate side, valve core through hole is just to the valve body side opening on valve body 4, realize closing the function of the lateral line and air conducting that have flange plate while former intake duct 8, that is, while blocking-up Carburetor 7 supplies mixed gas in the cylinder of motor 6, by the cylinder of motor 6 and air conducting, such one side can avoid the degree of vacuum of holding one's breath in the cylinder of rear engine 6 to make the fitting surface of spool 3 and valve body 4 leak out mixed gas, on the other hand, if only hold one's breath function, not by the function of the cylinder of motor 6 and air conducting, the tail gas suck-back that the cylinder of motor 6 will be discharged in valve overlap can be caused, even by the cylinder of other foreign-body aspiration motors 6 in outlet pipe.After release of holding one's breath, automatically controlled section sets delay procedure, controls spool 3 and rotates backward 90 ° after a certain time, automatically controlled valve of holding one's breath is opened again, realize the conducting of motor 6 and Carburetor 7, prepare the igniting of motor 6 next time, concrete electric control principle is as follows:
Consult Fig. 5, when controlling engine misses, automatically controlled part produces low level misfire signals, this misfire signals is the single-chip microcomputer that the P1.1 pin of the single-chip microcomputer of AT89C52 is sent to that model is AT89C52 by model, model is that the single-chip microcomputer of AT89C52 is to after misfire signals process, be that to export two control signals to model be the driving chip of L298 for the P1.2 pin of the single-chip microcomputer of AT89C52 and P1.3 pin from model, model is that the driving chip of L298 exports 12V voltage by two wires, controls reducing motor 5 and drives core valve 3 to realize the closedown of intake duct; After Timer module T0 in the single-chip microcomputer utilizing model the to be AT89C52 accurate timing long enough time (ensureing that inertia air inlet terminates), be that to export two control signals to model be the driving chip of L298 for the P1.2 pin of the single-chip microcomputer of AT89C52 and P1.3 pin again from model, model is that the driving chip of L298 exports 12V voltage by two wires, controlling reducing motor 5 drives core valve 3 to realize the conducting of former intake duct 8, for air inlet is prepared next time.
Claims (7)
1. an automatically controlled valve of holding one's breath, it is characterized in that, the single-chip microcomputer that described automatically controlled valve of holding one's breath includes upper cover (1), connecting plate (2), spool (3), valve body (4), reducing motor (5), limit stick (10), model are AT89C52 and model are the driving chip of L298;
Spool (3) loads in valve element circle through hole on valve body (4) and spool round pool, be transition fit between the upper end of spool (3) and the valve element circle through hole of valve body (4), be transition fit between the inner cylindrical surface of the lower end of spool (3) and the spool round pool of valve body (4), it is interference fit that limit stick (10) inserts in the blind hole on spool (3) top end, it is interference fit in the strip slot that connecting plate (2) is arranged on spool (3) top, upper cover (1) is arranged on the main valve body top end in valve body (4) as bolt connects, and make the restraining groove of upper cover (1) (9) be sleeved on limit stick (10), reducing motor (5) is fixedly mounted on upper cover (1) vertically, the output shaft of reducing motor (5) and the center hole of connecting plate (2) are equipped with, P1.2 pin and the P1.3 pin electric wire of the terminal of reducing motor (5) to be driving chip and the model of L298 by model the be single-chip microcomputer of AT89C52 are connected.
2. according to automatically controlled valve of holding one's breath according to claim 1, it is characterized in that, the gap of 0.5-1.0mm is left in the bottom surface of the bottom surface of described spool (3) and the spool round pool of valve body (4).
3. according to automatically controlled valve of holding one's breath according to claim 1, it is characterized in that, described limit stick (10) inserts in the blind hole on spool (3) top end, and the upper end of limit stick (10) exceeds spool (3) upper level and is less than the thickness equaling upper cover (1).
4. according to automatically controlled valve of holding one's breath according to claim 1, it is characterized in that, the thickness of described connecting plate (2) is less than the degree of depth of the strip slot equaling spool (3) top.
5. according to automatically controlled valve of holding one's breath according to claim 1, it is characterized in that, described upper cover (1) is a foursquare plate structure part, the center is provided with the round tube hole that is installed reducing motor (5) output shaft, the side of installing the round tube hole of reducing motor (5) output shaft arranges the arc-shaped slot of a quadrant, the rotational axis conllinear of the round tube hole of the rotational axis of arc-shaped slot and upper cover (1) center, the corner place of upper cover (1) is provided with bolt hole.
6. according to automatically controlled valve of holding one's breath according to claim 1, it is characterized in that, described spool (3) is a cylinder type hollow structural member, spool (3) top end is processed with a blind hole of mounting limit rod (10), the turning radius of the arc-shaped slot on the Distance geometry upper cover (1) of blind hole gyration center line-spacing spool (3) gyration center line is equal, spool (3) top end central position arranges the strip slot of the rectangle installing connecting plate (2), the degree of depth of the strip slot of rectangle is more than or equal to the thickness of connecting plate (2), spool (3) middle part arranges a valve core through hole radially, a side through hole is being disposed radially perpendicular to valve core through hole rotational axis, the diameter of side through hole is less than the diameter of valve core through hole, the diameter of valve core through hole equals the diameter of the valve hole of valve body (4).
7. according to automatically controlled valve of holding one's breath according to claim 1, it is characterized in that, described valve body (4) is by circular tube shaped suction tude interface, main valve body and flange plate type interface form, the main valve body of valve body (4) is a cuboid shape structural member, the middle part of main valve body is provided with valve hole from left to right, the side that the side of main valve body is namely parallel with valve core through hole rotational axis is provided with the valve body side opening that rotational axis and valve core through hole rotational axis intersect vertically, one is processed downwards for coordinating spool round tube hole with the cylndrical surface of spool (3) upper end from the center of the upper surface of main valve body, the bottom of the valve hole of main valve body arranges a spool round pool for coordinating with the cylndrical surface of spool (3) lower end, the rotational axis conllinear of valve element circle through hole rotational axis and spool round pool, on the diameter of valve element circle through hole and spool round pool and spool (3), the equal diameters of lower end, corner place on the top end of main valve body is provided with tapped hole, the left end of the valve hole of main valve body is connected with circular tube shaped suction tude interface, the right-hand member of the valve hole of main valve body is connected with flange plate type interface, circular tube shaped suction tude interface, the equal diameters of valve hole and flange plate type interface, the rotational axis conllinear of three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310193508.3A CN103306827B (en) | 2013-05-23 | 2013-05-23 | Automatically controlled valve of holding one's breath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310193508.3A CN103306827B (en) | 2013-05-23 | 2013-05-23 | Automatically controlled valve of holding one's breath |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103306827A CN103306827A (en) | 2013-09-18 |
| CN103306827B true CN103306827B (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310193508.3A Expired - Fee Related CN103306827B (en) | 2013-05-23 | 2013-05-23 | Automatically controlled valve of holding one's breath |
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| CN (1) | CN103306827B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3366904B1 (en) * | 2017-02-22 | 2019-10-16 | Bosal Emission Control Systems NV | Valve unit including an interface |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5005545A (en) * | 1989-02-24 | 1991-04-09 | Robert Bosch Gmbh | Flow regulator |
| JPH11141402A (en) * | 1997-11-07 | 1999-05-25 | Nippon Uoruburoo:Kk | Diaphragm carburetor |
| JPH11210502A (en) * | 1998-01-29 | 1999-08-03 | Aisan Ind Co Ltd | Throttle body for internal combustion engine |
| JP2001280162A (en) * | 2000-03-29 | 2001-10-10 | Honda Motor Co Ltd | Rotor type throttle valve of spark ignition type internal combustion engine |
| CN203296939U (en) * | 2013-05-23 | 2013-11-20 | 吉林大学 | Electronically-controlled gas check valve |
-
2013
- 2013-05-23 CN CN201310193508.3A patent/CN103306827B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5005545A (en) * | 1989-02-24 | 1991-04-09 | Robert Bosch Gmbh | Flow regulator |
| JPH11141402A (en) * | 1997-11-07 | 1999-05-25 | Nippon Uoruburoo:Kk | Diaphragm carburetor |
| JPH11210502A (en) * | 1998-01-29 | 1999-08-03 | Aisan Ind Co Ltd | Throttle body for internal combustion engine |
| JP2001280162A (en) * | 2000-03-29 | 2001-10-10 | Honda Motor Co Ltd | Rotor type throttle valve of spark ignition type internal combustion engine |
| CN203296939U (en) * | 2013-05-23 | 2013-11-20 | 吉林大学 | Electronically-controlled gas check valve |
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| CN103306827A (en) | 2013-09-18 |
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Granted publication date: 20151118 Termination date: 20160523 |