CN105156304A - Oil inlet end cover for compressor pump - Google Patents
Oil inlet end cover for compressor pump Download PDFInfo
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- CN105156304A CN105156304A CN201510694614.9A CN201510694614A CN105156304A CN 105156304 A CN105156304 A CN 105156304A CN 201510694614 A CN201510694614 A CN 201510694614A CN 105156304 A CN105156304 A CN 105156304A
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- end cap
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Abstract
The invention discloses an oil inlet end cover for a compressor pump. The oil inlet end cover comprises a discoid round cover body and an oil inlet formed in the round cover body. The round cover body is provided with a plurality of oil grooves which are communicated with one another, the oil grooves are communicated with the oil inlet, and a one-way flow valve is arranged at the position of the oil inlet. An annular oil sealing plate is arranged at the positions of openings of the oil grooves, the oil sealing plate integrally covers all the oil grooves in the round cover body, and the oil sealing plate and the round cover body are fixed through screws. The oil sealing plate is provided with oil through thin holes which are evenly distributed in the oil sealing plate. The oil sealing plate and the round cover body are fixedly attached completely. The surfaces of the oil inlet end cover for the compressor pump are coated with heat-resisting layers, and each heat-resisting layer includes heat-resisting printing ink. The oil inlet end cover for the compressor pump is even in oil feeding, stable and reliable.
Description
Technical field
The present invention relates to Compressor Manufacturing field, particularly about a kind of oil-feed end cap of compressor pumping.
Background technique
Compressor is the core component of the electrical equipment such as air-conditioning, refrigerator, the quality that the use sense that the quality of the riding quality of compressor determines the electrical equipment such as air-conditioning, refrigerator is subject to, and therefore, the riding quality of compressor is extremely important.Whether even the oil supply of the oil-feed end cap of compressor is, and huge on the riding quality impact of compressor, the oil supply of existing compressor oil-feed end cap exists the bad phenomenon of this oil supply inequality.
Summary of the invention
In view of this, the present invention for solving the problems of the technologies described above, the oil-feed end cap of the compressor pumping providing a kind of oil supply even, reliable and stable.
Object of the present invention is achieved through the following technical solutions:
A kind of oil-feed end cap of compressor pumping, comprise discoid dome and be arranged on the filler opening on dome, dome is provided with multiple oil groove be interconnected, oil groove is communicated with filler opening, and filler opening place is provided with one-way flow valve, and oil groove opening is provided with an annular oil sealing plate, all oil grooves on oil sealing plate complete covering dome, oil sealing plate and disk are screwed, and oil sealing plate is provided with the pore of logical oil, and pore is evenly distributed on oil sealing plate; Oil sealing plate and dome are fitted fixing completely; The surface of the oil-feed end cap of described compressor pumping is coated with refractory layer, and described refractory layer comprises heat-resistant inks, and heat-resistant inks is made up of the component of following parts by weight: end group is the linear polyester 15 ~ 30 parts of carboxyl; Hyperbranched resin 10 ~ 25 parts; Reactive diluent 5 ~ 20 parts; Mineral filler 10 ~ 35 parts; Pigment 0 ~ 15 part; Function additive 0 ~ 8 part; Solvent 0 ~ 20 part; 1 ~ 3 part, curing agent; Described hyperbranched resin synthesizes in accordance with the following steps:
(1) in the protection of inert atmosphere with under stirring, in molar ratio, by the 3-methylpentane-2 of 1 part, 3 of 4-glycol and 1 part, 5-bis-(methylol) benzoic acid is added in seal container, then add the concentrated sulphuric scid as catalyzer, at 160 ~ 180 DEG C, stir the matrix G1 obtaining hyperbranched resin after there is condensation reaction in 1 ~ 2 hour;
(2) then continue to add 1 part 3,5-bis-(methylol) benzoic acid and the concentrated sulphuric scid at the matrix G1 of above-mentioned hyperbranched resin, stir 1 ~ 2 hour at 160 ~ 180 DEG C, then this step is repeated 6 times, obtain the matrix G7 of hyperbranched resin;
(3) then the reaction temperature of step (2) is down to 80 DEG C, adds excessive epoxychloropropane and sodium hydrate aqueous solution, react washing, suction filtration after 3 hours, obtain described hyperbranched resin.
Lateral leakage protection glue-line is provided with between described oil sealing plate and dome.
Further, the matrix G7 of the hyperbranched resin obtained in described hyperbranched resin synthesis step (2) contains 100 ~ 118 terminal hydroxy groups.
Further, described end group is the hydroxyl value of the linear polyester of carboxyl is 120 ~ 180mgKOH/g, and weight average molecular weight is 10000 ~ 30000.
Further, described reactive diluent is the mixture of ethylene glycol diglycidylether, polypropylene glycol diglycidyl ether and isocyanuric acid three-glycidyl ester.
Further, described mineral filler is at least one in calcium carbonate, aluminium hydroxide, barium sulphate, titanium dioxide.
Further, described function additive is at least one in defoamer, levelling agent, antioxidant.The present invention's function additive used is that the commercial product of the art all can realize the present invention.
Further, described solvent is at least one in alcohols solvent, esters solvent, ketones solvent, solvent of ether ester type.The present invention's solvent used is that the conventional solvent of the art all can realize the present invention, as organic solvents such as ethylene glycol ethyl ether, acetone, 1-Methoxy-2-propyl acetates.
Further, described curing agent is amine curing agent.The present invention adopts the conventional amine curing agent of the art all can realize the present invention, as materials such as triethylamine, four ethene triamines.
Further, described heat-resistant inks is made up of the component of following parts by weight:
End group is the linear polyester 15 ~ 30 parts of carboxyl; Hyperbranched resin 10 ~ 25 parts; Ethylene glycol diglycidylether 1 ~ 5 part; Polypropylene glycol diglycidyl ether 2 ~ 4 parts; Isocyanuric acid three-glycidyl ester 3 ~ 7 parts; Mineral filler 10 ~ 35 parts; Pigment 0 ~ 15 part; Function additive 0 ~ 8 part; Solvent 0 ~ 20 part; 1 ~ 3 part, curing agent.
The present invention compared to the beneficial effect of prior art is:
The oil-feed end cap of compressor pumping of the present invention, traditional oil groove adds the oil sealing plate of Closed oil tank, and oil sealing plate is provided with pore, by pore, the oil in oil groove is evenly oozed out, guarantee oil supply is even, improves the riding quality of compressor, guarantees the steady running of compressor.
In addition, the present invention is by the specific asymmetric hyperbranched resin of synthesis, then coordinate specific linear polyester as matrix resin, make matrix resin of the present invention not only have good curing performance, solidifying temperature is low, and has excellent adhesion to most of ground, but also there is extremely strong heat resistance, excellent weatherability, this resin can also form fine and close polymer film simultaneously, and its coating formed has excellent weatherability, heat-resisting quantity and splendid resistance to acids and bases.Further in order to solve the problem of asymmetric hyperbranched resin and specific linear polyester compatibility, the present invention is by selecting ethylene glycol diglycidylether, the mixture of polypropylene glycol diglycidyl ether and isocyanuric acid three-glycidyl ester is as reactive diluent, can the bad problem of solution compatibility cleverly, reduce the solidifying temperature of resin further.Heat-resistant inks provided by the invention, compared with traditional heat-resistant inks of domestic production, heat-resistant inks prepared by the present invention has low solidifying temperature, the excellent feature such as heat resistance, soldering resistance, yellowing resistance.
Accompanying drawing explanation
The invention will be further described to utilize accompanying drawing, but the embodiment in accompanying drawing does not form any limitation of the invention.
Fig. 1 is the overall structure figure of the oil-feed end cap of compressor pumping of the present invention.
Embodiment
Below in conjunction with embodiment, the present invention will be described in detail, and embodiment is only the preferred embodiment of the present invention, is not limitation of the invention.
A kind of oil-feed end cap of compressor pumping, the filler opening 1 comprising discoid dome 2 and be arranged on dome 2, dome 2 is provided with multiple oil groove 3 be interconnected, oil groove 3 is communicated with filler opening 1, filler opening place is provided with one-way flow valve, oil groove 3 opening is provided with an annular oil sealing plate, all oil grooves 3 on oil sealing plate complete covering dome 2, oil sealing plate and disk 2 are screwed, oil sealing plate is provided with the pore of logical oil, pore is evenly distributed on oil sealing plate, and oil sealing plate and dome 2 are fitted fixing completely; Lateral leakage protection glue-line is provided with between oil sealing plate and dome 2.
The oil-feed end cap of compressor pumping adds the oil sealing plate of Closed oil tank on traditional oil groove, and oil sealing plate is provided with pore, is evenly oozed out by the oil in oil groove by pore, ensures that oil supply is even, improves the riding quality of compressor, guarantee the steady running of compressor.
The present invention's hyperbranched resin used synthesizes in accordance with the following steps:
(1) in the protection of inert atmosphere with under stirring, in molar ratio, by the 3-methylpentane-2 of 1 part, 3 of 4-glycol and 1 part, 5-bis-(methylol) benzoic acid is added in seal container, then add the concentrated sulphuric scid as catalyzer, at 170 DEG C, stir the matrix G1 obtaining hyperbranched resin after there is condensation reaction in 2 hours;
(2) then continue to add 1 part 3,5-bis-(methylol) benzoic acid and the concentrated sulphuric scid at the matrix G1 of above-mentioned hyperbranched resin, stir 2 hours at 170 DEG C, then this step is repeated 6 times, obtain the matrix G7 of hyperbranched resin;
(3) then the reaction temperature of step (2) is down to 80 DEG C, adds excessive epoxychloropropane and sodium hydrate aqueous solution, react washing, suction filtration after 3 hours, obtain described hyperbranched resin.
The present invention's end group used is the hydroxyl value of the linear polyester of carboxyl is 120 ~ 180mgKOH/g, and weight average molecular weight is 10000 ~ 30000.
The preparation method of heat-resistant inks of the present invention is the common method in ink manufacturing technology field, is not described in detail at this.
embodiment 1
A kind of heat-resistant inks, is made up of the component of following parts by weight:
End group is the linear polyester 18 parts of carboxyl; Hyperbranched resin 20 parts; Ethylene glycol diglycidylether 3 parts; Polypropylene glycol diglycidyl ether 3 parts; Isocyanuric acid three-glycidyl ester 4 parts; 12 parts, calcium carbonate; 15 parts, aluminium hydroxide; Carbon black 10 parts; Defoamer 1 part; Levelling agent 1 part; Antioxidant 1 part; 13 parts, acetone; Triethylene tetramine 2 parts.
Through testing the solidifying temperature of known the present embodiment at 90 DEG C.
During use, in 90-100 DEG C, quick-drying solidifies 2 minutes.Thickness of dry film controls at 25-30 μm.Then 100 DEG C of slakings 60 minutes in convection oven.
Performance test methods and result as follows:
Prebake conditions (75 DEG C): 25 minutes.After prebake conditions, ink is tack-free.
Rear baking (180 DEG C): 60 minutes.After rear baking, ink non yellowing.
Adhesion (GB/T9286-1998): 1 grade.
Hardness (GB/T6739-2006): 6H.
Glossiness (GB/T1743-1979): 79.
Welding resistance performance (288 DEG C of solder furnace dipping 10s, three times): ink without xanthochromia, without explosion, without coming off, non-soldering tin enters phenomenon.
Through thermogravimetric test, the heat resisting temperature of the solder mask of the present embodiment is greater than 400 DEG C.
embodiment 2
A kind of heat-resistant inks, is made up of the component of following parts by weight:
End group is the linear polyester 28 parts of carboxyl; Hyperbranched resin 12 parts; Ethylene glycol diglycidylether 2 parts; Polypropylene glycol diglycidyl ether 4 parts; Isocyanuric acid three-glycidyl ester 6 parts; 20 parts, barium sulphate; 10 parts, aluminium hydroxide; Carbon black 13 parts; Defoamer 1 part; Levelling agent 1 part; Antioxidant 1 part; 1-Methoxy-2-propyl acetate 18 parts; Triethylene tetramine 3 parts.
Through testing the solidifying temperature of known the present embodiment at 90 DEG C.
During use, in 90-100 DEG C, quick-drying solidifies 2 minutes.Thickness of dry film controls at 25-30 μm.Then 100 DEG C of slakings 60 minutes in convection oven.
Performance test methods and result as follows:
Prebake conditions (75 DEG C): 25 minutes.After prebake conditions, ink is tack-free.
Rear baking (180 DEG C): 60 minutes.After rear baking, ink non yellowing.
Adhesion (GB/T9286-1998): 1 grade.
Hardness (GB/T6739-2006): 6H.
Glossiness (GB/T1743-1979): 77.
Welding resistance performance (288 DEG C of solder furnace dipping 10s, three times): ink without xanthochromia, without explosion, without coming off, non-soldering tin enters phenomenon.
Through thermogravimetric test, the heat resisting temperature of the solder mask of the present embodiment is greater than 400 DEG C.
embodiment 3
A kind of heat-resistant inks, is made up of the component of following parts by weight:
End group is the linear polyester 16 parts of carboxyl; Hyperbranched resin 23 parts; Ethylene glycol diglycidylether 4 parts; Polypropylene glycol diglycidyl ether 2 parts; Isocyanuric acid three-glycidyl ester 3 parts; 15 parts, barium sulphate; 15 parts, calcium carbonate; Carbon black 13 parts; Defoamer 1 part; Levelling agent 1 part; Antioxidant 1 part; Ethylene glycol ethyl ether 2 parts; Triethylene tetramine 1 part.
Through testing the solidifying temperature of known the present embodiment at 90 DEG C.
During use, in 90-100 DEG C, quick-drying solidifies 2 minutes.Thickness of dry film controls at 25-30 μm.Then 100 DEG C of slakings 60 minutes in convection oven.
Performance test methods and result as follows:
Prebake conditions (75 DEG C): 25 minutes.After prebake conditions, ink is tack-free.
Rear baking (180 DEG C): 60 minutes.After rear baking, ink non yellowing.
Adhesion (GB/T9286-1998): 1 grade.
Hardness (GB/T6739-2006): 6H.
Glossiness (GB/T1743-1979): 81.
Welding resistance performance (288 DEG C of solder furnace dipping 10s, three times): ink without xanthochromia, without explosion, without coming off, non-soldering tin enters phenomenon.
Through thermogravimetric test, the heat resisting temperature of the solder mask of the present embodiment is greater than 400 DEG C.
comparative example 1
A kind of heat-resistant inks, is made up of the component of following parts by weight:
End group is the linear polyester 18 parts of carboxyl; Ethylene glycol diglycidylether 3 parts; Polypropylene glycol diglycidyl ether 3 parts; Isocyanuric acid three-glycidyl ester 4 parts; 12 parts, calcium carbonate; 15 parts, aluminium hydroxide; Carbon black 10 parts; Defoamer 1 part; Levelling agent 1 part; Antioxidant 1 part; 13 parts, acetone; Triethylene tetramine 2 parts.
Through testing the solidifying temperature of known the present embodiment at 130 DEG C.
During use, in 130-150 DEG C, quick-drying solidifies 2 minutes.Thickness of dry film controls at 25-30 μm.Then 140 DEG C of slakings 60 minutes in convection oven.
Performance test methods and result as follows:
Prebake conditions (75 DEG C): 25 minutes.After prebake conditions, ink is tack-free.
Rear baking (180 DEG C): 60 minutes.After rear baking, ink starts xanthochromia.
Adhesion (GB/T9286-1998): 3 grades.
Hardness (GB/T6739-2006): 4H.
Glossiness (GB/T1743-1979): 68.
Welding resistance performance (288 DEG C of solder furnace dipping 10s, three times): start to come off, find that scolding tin enters phenomenon.
Through thermogravimetric test, the heat resisting temperature of the solder mask of the present embodiment is 270 DEG C.
comparative example 2
A kind of heat-resistant inks, is made up of the component of following parts by weight:
Hyperbranched resin 20 parts; Ethylene glycol diglycidylether 3 parts; Polypropylene glycol diglycidyl ether 3 parts; Isocyanuric acid three-glycidyl ester 4 parts; 12 parts, calcium carbonate; 15 parts, aluminium hydroxide; Carbon black 10 parts; Defoamer 1 part; Levelling agent 1 part; Antioxidant 1 part; 13 parts, acetone; Triethylene tetramine 2 parts.
Through testing the solidifying temperature of known the present embodiment at 110 DEG C.
During use, in 110-130 DEG C, quick-drying solidifies 2 minutes.Thickness of dry film controls at 25-30 μm.Then 120 DEG C of slakings 60 minutes in convection oven.
Performance test methods and result as follows:
Prebake conditions (75 DEG C): 25 minutes.After prebake conditions, ink is tack-free.
Rear baking (180 DEG C): 60 minutes.After rear baking, ink non yellowing.
Adhesion (GB/T9286-1998): 2 grades.
Hardness (GB/T6739-2006): 5H.
Glossiness (GB/T1743-1979): 45.
Welding resistance performance (288 DEG C of solder furnace dipping 10s, three times): start to come off, find that scolding tin enters phenomenon.
Through thermogravimetric test, the heat resisting temperature of the solder mask of the present embodiment is 300 DEG C.
comparative example 3
A kind of heat-resistant inks, is made up of the component of following parts by weight:
End group is the linear polyester 18 parts of carboxyl; Hyperbranched resin 20 parts; Ethylene glycol diglycidylether 3 parts; 12 parts, calcium carbonate; 15 parts, aluminium hydroxide; Carbon black 10 parts; Defoamer 1 part; Levelling agent 1 part; Antioxidant 1 part; 13 parts, acetone; Triethylene tetramine 2 parts.
Through testing the solidifying temperature of known the present embodiment at 150 DEG C.
During use, in 150-170 DEG C, quick-drying solidifies 2 minutes.Thickness of dry film controls at 25-30 μm.Then 160 DEG C of slakings 60 minutes in convection oven.
Performance test methods and result as follows:
Prebake conditions (75 DEG C): 25 minutes.After prebake conditions, ink is tack-free.
Rear baking (180 DEG C): 60 minutes.After rear baking, ink non yellowing.
Adhesion (GB/T9286-1998): 4 grades.
Hardness (GB/T6739-2006): 5H.
Glossiness (GB/T1743-1979): 50.
Welding resistance performance (288 DEG C of solder furnace dipping 10s, three times): start to come off, find that scolding tin enters phenomenon.
Through thermogravimetric test, the heat resisting temperature of the solder mask of the present embodiment is 350 DEG C.
Known by the test data of above-described embodiment and comparative example, heat-resistant inks of the present invention become refractory layer to have the excellent feature such as heat resistance, soldering resistance, yellowing resistance; So, the rough running operating mode of compressor pumping can be adapted to completely by the oil-feed end cap that this refractory layer covers, the high hot temperature degree produced under can bearing rough operating mode, ensure that compressor can long time running sustainedly and stably, improve the stability and reliability of using oil-feed end cap compressor of the present invention.
Finally should be noted that; above embodiment illustrates technological scheme of the present invention; but not limiting the scope of the invention; although done to explain to the present invention with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify to technological scheme of the present invention or equivalent replacement, and not depart from essence and the scope of technical solution of the present invention.
Claims (9)
1. the oil-feed end cap of a compressor pumping, it is characterized in that, comprise discoid dome (2) and be arranged on the filler opening (1) on dome (2), dome (2) is provided with multiple oil groove (3) be interconnected, oil groove (3) is communicated with filler opening (1), filler opening place is provided with one-way flow valve, oil groove (3) opening is provided with an annular oil sealing plate, all oil grooves (3) in oil sealing plate complete covering dome (2), oil sealing plate and disk (2) are screwed, oil sealing plate is provided with the pore of logical oil, and pore is evenly distributed on oil sealing plate; Oil sealing plate and dome (2) are fitted fixing completely;
The surface of the oil-feed end cap of described compressor pumping is coated with refractory layer, and described refractory layer comprises heat-resistant inks, and heat-resistant inks is made up of the component of following parts by weight:
End group is the linear polyester 15 ~ 30 parts of carboxyl; Hyperbranched resin 10 ~ 25 parts; Reactive diluent 5 ~ 20 parts; Mineral filler 10 ~ 35 parts; Pigment 0 ~ 15 part; Function additive 0 ~ 8 part; Solvent 0 ~ 20 part; 1 ~ 3 part, curing agent; Described hyperbranched resin synthesizes in accordance with the following steps:
(1) in the protection of inert atmosphere with under stirring, in molar ratio, by the 3-methylpentane-2 of 1 part, 3 of 4-glycol and 1 part, 5-bis-(methylol) benzoic acid is added in seal container, then add the concentrated sulphuric scid as catalyzer, at 160 ~ 180 DEG C, stir the matrix G1 obtaining hyperbranched resin after there is condensation reaction in 1 ~ 2 hour;
(2) then continue to add 1 part 3,5-bis-(methylol) benzoic acid and the concentrated sulphuric scid at the matrix G1 of above-mentioned hyperbranched resin, stir 1 ~ 2 hour at 160 ~ 180 DEG C, then this step is repeated 6 times, obtain the matrix G7 of hyperbranched resin;
(3) then the reaction temperature of step (2) is down to 80 DEG C, adds excessive epoxychloropropane and sodium hydrate aqueous solution, react washing, suction filtration after 3 hours, obtain described hyperbranched resin.
2. the oil-feed end cap of compressor pumping according to claim 1, is characterized in that, is provided with lateral leakage protection glue-line between described oil sealing plate and dome (2).
3. the oil-feed end cap of compressor pumping according to claim 1, is characterized in that, the matrix G7 of the hyperbranched resin obtained in described hyperbranched resin synthesis step (2) contains 100 ~ 118 terminal hydroxy groups.
4. the oil-feed end cap of compressor pumping according to claim 1, is characterized in that, end group is the hydroxyl value of the linear polyester of carboxyl is 120 ~ 180mgKOH/g, and weight average molecular weight is 10000 ~ 30000.
5. the oil-feed end cap of compressor pumping according to claim 1, is characterized in that, described reactive diluent is the mixture of ethylene glycol diglycidylether, polypropylene glycol diglycidyl ether and isocyanuric acid three-glycidyl ester.
6. the oil-feed end cap of compressor pumping according to claim 1, is characterized in that, described mineral filler is at least one in calcium carbonate, aluminium hydroxide, barium sulphate, titanium dioxide.
7. the oil-feed end cap of compressor pumping according to claim 1, is characterized in that, described function additive is at least one in defoamer, levelling agent, antioxidant.
8. the oil-feed end cap of compressor pumping according to claim 1, is characterized in that, described solvent is at least one in alcohols solvent, esters solvent, ketones solvent, solvent of ether ester type.
9. the oil-feed end cap of compressor pumping according to claim 1, is characterized in that, described curing agent is amine curing agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510694614.9A CN105156304B (en) | 2015-10-23 | 2015-10-23 | A kind of oil-feed end cap of compressor pumping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510694614.9A CN105156304B (en) | 2015-10-23 | 2015-10-23 | A kind of oil-feed end cap of compressor pumping |
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| Publication Number | Publication Date |
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| CN105156304A true CN105156304A (en) | 2015-12-16 |
| CN105156304B CN105156304B (en) | 2017-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510694614.9A Active CN105156304B (en) | 2015-10-23 | 2015-10-23 | A kind of oil-feed end cap of compressor pumping |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106150981A (en) * | 2016-07-21 | 2016-11-23 | 江苏盈科汽车空调有限公司 | A kind of compressor of air conditioner capping |
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| JPH1077955A (en) * | 1996-08-30 | 1998-03-24 | Kayaba Ind Co Ltd | Cylinder block |
| CN2806825Y (en) * | 2005-02-04 | 2006-08-16 | 北京京城环保产业发展有限责任公司 | Cylinder assembly |
| CN201125865Y (en) * | 2007-12-11 | 2008-10-01 | 沈阳新光华晨汽车发动机有限公司 | Engine oil pump cap |
| CN101303012A (en) * | 2008-07-02 | 2008-11-12 | 陈杰余 | Engine oil pump of internal combustion engine |
| CN201679691U (en) * | 2010-09-06 | 2010-12-22 | 上海光裕汽车空调压缩机有限公司 | Front cover structure of compressor |
| CN201763556U (en) * | 2010-08-24 | 2011-03-16 | 江苏恒源液压有限公司 | Quick variable response axial plunger pump |
| CN201851350U (en) * | 2010-10-14 | 2011-06-01 | 天津市泽华源泵业科技发展有限公司 | Novel pump cover of large-size junction box (JB) radial variable plunger pump |
| CN102287366A (en) * | 2011-08-31 | 2011-12-21 | 天津市泽华源泵业科技发展有限公司 | Novel pump cover for disk flow distribution radial variable plunger pump |
-
2015
- 2015-10-23 CN CN201510694614.9A patent/CN105156304B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1077955A (en) * | 1996-08-30 | 1998-03-24 | Kayaba Ind Co Ltd | Cylinder block |
| CN2806825Y (en) * | 2005-02-04 | 2006-08-16 | 北京京城环保产业发展有限责任公司 | Cylinder assembly |
| CN201125865Y (en) * | 2007-12-11 | 2008-10-01 | 沈阳新光华晨汽车发动机有限公司 | Engine oil pump cap |
| CN101303012A (en) * | 2008-07-02 | 2008-11-12 | 陈杰余 | Engine oil pump of internal combustion engine |
| CN201763556U (en) * | 2010-08-24 | 2011-03-16 | 江苏恒源液压有限公司 | Quick variable response axial plunger pump |
| CN201679691U (en) * | 2010-09-06 | 2010-12-22 | 上海光裕汽车空调压缩机有限公司 | Front cover structure of compressor |
| CN201851350U (en) * | 2010-10-14 | 2011-06-01 | 天津市泽华源泵业科技发展有限公司 | Novel pump cover of large-size junction box (JB) radial variable plunger pump |
| CN102287366A (en) * | 2011-08-31 | 2011-12-21 | 天津市泽华源泵业科技发展有限公司 | Novel pump cover for disk flow distribution radial variable plunger pump |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106150981A (en) * | 2016-07-21 | 2016-11-23 | 江苏盈科汽车空调有限公司 | A kind of compressor of air conditioner capping |
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| Publication number | Publication date |
|---|---|
| CN105156304B (en) | 2017-06-09 |
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