CN102155409A - Air-cooled rotary-vane vacuum pump with oil temperature control system and oil temperature control method thereof - Google Patents
Air-cooled rotary-vane vacuum pump with oil temperature control system and oil temperature control method thereof Download PDFInfo
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- CN102155409A CN102155409A CN 201110139613 CN201110139613A CN102155409A CN 102155409 A CN102155409 A CN 102155409A CN 201110139613 CN201110139613 CN 201110139613 CN 201110139613 A CN201110139613 A CN 201110139613A CN 102155409 A CN102155409 A CN 102155409A
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000003595 mist Substances 0.000 claims abstract description 6
- 239000002828 fuel tank Substances 0.000 claims description 37
- 238000001816 cooling Methods 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 239000000446 fuel Substances 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 238000005086 pumping Methods 0.000 abstract 5
- 230000001276 controlling effect Effects 0.000 abstract 2
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 239000000284 extract Substances 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000011449 brick Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000028016 temperature homeostasis Effects 0.000 description 1
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Abstract
The invention relates to an air-cooled rotary-vane vacuum pump with an oil temperature control system and an oil temperature control method thereof in the technical field of vacuum pumps, in particular to an air-cooled type rotary-vane vacuum pump with an oil temperature control system, which is suitable for exhausting condensable steam. The air-cooled rotary-vane vacuum pump comprises a pump stator, a front end cover, a rear end cover, a side eccentrically-arranged rotor, a rotary vane, an exhaust valve assembly, a side-arranged oil tank, a pumping oil circulating and oil temperature controlling system, a motor support seat, a motor and an electric control box, wherein a closed pump cavity is internally eccentrically provided with the rotor and the rotary vane; the motor is fixed at the other side of the motor support seat; an air inlet is arranged above the pump body stator; the rear side of the pump body stator is provided with an exhaust hole; the lower cavity of the side-arranged oil tank is provided with a pumping oil filter screen and a filter, and the upper cavity of the side-arranged oil tank is provided with an exhaust oil mist filter; and the pumping oil circulating and oil temperature controlling system comprises an oil supply pipe, a flow regulating valve, an oil return pipe, a pumping oil temperature sensor, an electronic temperature controller and an air-cooled type pumping oil cooler.
Description
Technical field
What the present invention relates to is that a kind of air-cooled sliding vane rotary vacuum pump and oily temperature control method thereof that has oily temperature control system relates to the vacuum pump technology field, particularly a kind ofly has oily temperature control system, is applicable to the air-cooled sliding vane rotary vacuum pump that extracts coercibility steam.
Background technique
In many applications of oil seal type sliding vane rotary vacuum pump (and vacuum displacement pump of other discharging directly into atmosphere), can run into the situation that contains more (normal temperature and pressure down) coercibility steam in the pumped gas, for example water vapour, ethanol etc.Under lower pressure, these coercibility steam are inhaled into pump chamber together in company with Permanent gas; But mixed gas is compressed into exhaust pressure from the process that relief opening is discharged in pump chamber, and these coercibility steam may be make pressure be increased to saturation vapour pressure under the corresponding temperature because of being compressed, thereby condense phenomenon; The liquid that forms that condenses can be sneaked among (or dissolving in) pump oil, the lubrication and seal performance of broken ring pump oil, and constantly in pump, circulate and can't discharge; The final proper functioning that influences pump.Coercibility steam the most common in the engineering practice is water vapour, for example in machinery such as various vacuum driers, vacuum hydroextractor, brick and tile vacuum-extruder, generally contains the water vapour of larger proportion in the pumped gas.Adopt Nash hytor to have the low shortcoming of ultimate vacuum, and employing oil seal type sliding vane rotary vacuum pump (or other oil seal type volume vacuum pump, as slide valve pump), then there is the low problem of above-mentioned eliminating water vapour ability, even very easily generating pump oil emulsification.Improve the ability that extracts coercibility steam such as water vapour although sliding vane rotary pump generally is provided with gas ballast valve, but still can't satisfy the needs of actual engineering.
Therefore, press for a kind of vacuum pump that is suitable for extracting except that coercibility steam such as water vapour of exploitation.
Summary of the invention
The present invention seeks at above-mentioned deficiency, a kind of air-cooled sliding vane rotary vacuum pump and oily temperature control method thereof that has oily temperature control system is provided, it is a kind of rotary-vane vaccum pump that is particularly suitable for extracting except that coercibility steam such as water vapour, its major character is that special pump oil temperature control system is set, adopt controlled air cooling way, the operating temperature of the control pump housing and pump oil, make it to reach or near the saturation temperature of coercibility steam under exhaust pressure, thereby avoid it to condense, reach the purpose of smooth discharge pump chamber.
A kind of air-cooled sliding vane rotary vacuum pump and oily temperature control method thereof that has oily temperature control system is to take following technological scheme to realize:
A kind of air-cooled sliding vane rotary vacuum pump that has oily temperature control system of the present invention comprises pump housing stator, front cover, rear end cover, rotor, blade, exhaust valve component, side-mounted fuel tank, the circulation of pump oil and oily temperature control system, motor supporting base, motor, electric control box.In the sealing pump chamber that is made of front cover, pump housing stator and rear end cover, lateral deviation is felt at ease rotor is housed, and has the blade groove on the rotor, in the blade groove blade is housed; Rear end cover is fixed in motor bearing seat one side, and the motor that is connected with rotor shaft is fixed in motor bearing seat opposite side, drives the rotor rotation; Pump housing stator top has suction port; The back side of pump housing stator has exhaust port, on adorn exhaust valve component; Pump housing stator rear portion is connected with and is divided into the side-mounted exhaust fuel tank in two chambeies up and down, and exhaust fuel tank cavity of resorption has pump oil filter screen and filter, and exhaust fuel tank epicoele has the vent control valve mist resistant filter.Described pump housing stator is provided with the wind-cooling heat dissipating sheet.
Sliding vane rotary vacuum pump provided by the present invention, one of its major character is: be provided with a cover complete circulation of pump oil and oily temperature control system and comprise fuel supply line, flow control valve, return tube, pump oil temperature sensor, electronic temperature controller, air-cooled pump oil cooler and add the electric heater of joining in case of necessity in fuel tank.
Side-mounted fuel tank links to each other with the oil pipe loop of air-cooled pump oil cooler with flow control valve by fuel supply line, and return tube one end links to each other with air-cooled pump oil cooler, and the return tube the other end links to each other with pump chamber.
The online testing pump oil temperature of pump oil temperature sensor is housed on side-mounted fuel tank, and pump oil temperature sensor links to each other with electronic temperature controller in being arranged on electric control box.Described air-cooled pump oil cooler comprises pump oil cooler and pump oil cooler fan electromotor, the pump oil cooler is equipped with pump oil cooler fan electromotor (fan is housed on the motor shaft), and the pump oil cooler has but radiating fin of pump oil cooling is housed on pump oil cooling pipe, the pump oil cooling pipe.
Voltmeter, ammeter, oily temperature display screen are housed on the described electric control box, electronic temperature controller is housed in the electric control box.Described electronic temperature controller adopts commercially available electronic temperature controller.
A kind of oily temperature control method that has the air-cooled sliding vane rotary vacuum pump of oily temperature control system:
In the air-cooled sliding vane rotary vacuum pump working procedure, pump oil is under the effect of blade pump chamber external and internal pressure difference, automatic cycle flows and regulates temperature, its flow process is: the pump oil in the exhaust fuel tank cavity of resorption, under the effect of gas pressure, flow in the oil pipe loop of air-cooled pump oil cooler through pump oil strainer, fuel supply line and flow control valve; Flow into through return tube again and be in the pump chamber of low-pressure state, play lubricated, sealing between the pump housing, blade and rotor and cooling action; Driven by blade at last and come back in the exhaust fuel tank by exhaust port and exhaust valve component.In the pump work process, pump oil temperature control system is by being placed in the online testing pump oil temperature of pump oil temperature sensor on the exhaust fuel tank, the upper limiting temperature that is higher than setting when the pump oil temperature, be generally the saturation temperature of coercibility steam under exhaust pressure, when upper limiting temperature is set at 100 ℃ when extracting water vapour, be arranged on the automatic pump oil cooler fan electromotor that starts air-cooled pump oil cooler of electronic temperature controller in the electric control box, the pump oil of the pump oil cooler of flowing through is lowered the temperature; When the pump oil temperature is lower than the lower limit temperature of setting, when lower limit temperature was set at 85 ℃ when extracting water vapour, electronic temperature controller started the electric heater that is arranged in the exhaust fuel tank automatically, to the oil of the pump in fuel tank heat temperature raising; If pump oil is in suitable temperature range, electronic temperature controller then cuts out fan electromotor and electric heater automatically.Because pump oil constantly absorbs the heat of the pump housing and pumped gas during proper functioning, so be used for the less work of electric heater that pump oil heats up, generally only be in specific region such as north of china in winter and the specific period such as the startup of driving just can start, so can be used as the apolegamy component configuration.
What the present invention relates to is a kind of air-cooled sliding vane rotary vacuum pump and oily temperature control method thereof that has oily temperature control system, have following characteristics: the operating temperature of 1, formulating sliding vane rotary pump in the saturation temperature under the exhaust pressure according to the coercibility steam that is contained in the pumped gas, can guarantee that condensable gas does not condense in the process of being compressed, thereby outside the excavationg pump, can improve the ability that the oil seal type sliding vane rotary pump extracts coercibility steam greatly smoothly; 2, special circulation of pump oil and the oily temperature control system that is provided with, control pump oil is not operated under the temperature of setting not influenced by ambient temperaturely, thus the service behaviour that ensures sliding vane rotary pump is kept stable; 3, adopt the full wind cooling type temperature control method, especially pump oil is taked the loop temperature-control measure separately, the operating temperature that makes the pump housing, pump oil is free adjusting as required, and thermoregulation range and temperature-controlled precision all are higher than water-cooling pattern far away, and is subjected to ambient temperature and cooling water condition influence less.
The invention provides a kind of working principle advanced person, reliable working performance, extract the strong rotary-vane vaccum pumps of coercibility steam ability such as water vapour.
Description of drawings
The invention will be further described below with reference to accompanying drawing:
Fig. 1 is a kind of air-cooled sliding vane rotary vacuum pump plan view that has oily temperature control system of the present invention.
Fig. 2 is a kind of air-cooled sliding vane rotary vacuum pump left view (sectional view) that has oily temperature control system of the present invention.
Among the figure: 1, base, 2, pump oil temperature sensor, 3, the motor supporting base, 4, pump housing stator, 5, fuel supply line, 6, flow control valve, 7, front cover, 8, pump oil cooler fan electromotor, 9, air-cooled pump oil cooler, 10, return tube, 11, side-mounted fuel tank, 12, electric control box, 13, electronic temperature controller, 14, motor, 15, pump oil strainer, 16, electric heater, 17, rotor, 18, exhaust valve component, 19, vent control valve mist resistant filter, 20, exhaust port, 21, suction port, 22, blade, 23, rear end cover.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
A kind of air-cooled sliding vane rotary vacuum pump that has oily temperature control system provided by the present invention, to contain a large amount of water vapour be application background to extract in vacuum drier, the concrete structure of embodiment is as follows:
As depicted in figs. 1 and 2, the structure of present embodiment comprises pump housing stator 4, front cover 7, rear end cover 23, rotor 17, blade 22, exhaust valve component 18, side-mounted fuel tank 11, vent control valve mist resistant filter 19, the circulation of pump oil and oily temperature control system, motor supporting base 3, motor 14, electric control box 12, and necessary union piece and appurtenances.The annexation of each parts is: in the sealing pump chamber that is made of front cover 7, pump housing stator 4 and rear end cover 23, upwards be 30 ° of angle lateral deviations and feel at ease rotor 17 is housed, have three blade grooves on the rotor 17, blade 22 is housed in the blade groove; Rear end cover 23 is fixed in motor bearing seat 3 one sides, and motor 14 is fixed in the opposite side of motor bearing seat 3, is connected with the axle of rotor 17 and drives rotor 17 to rotate; There is suction port 21 pump housing stator 4 tops; The back side of pump housing stator 4 has exhaust port 20, on adorn exhaust valve component 18; Pump housing stator 4 rear portions are connected with and are divided into the side-mounted fuel tank 11 in two chambeies up and down, and side-mounted fuel tank 11 cavity of resorptions have pump oil filter screen and pump oil strainer 15, and side-mounted fuel tank 11 epicoeles have vent control valve mist resistant filter 19.Described pump housing stator 4 is provided with the wind-cooling heat dissipating sheet.
As depicted in figs. 1 and 2, present embodiment is provided with pump oil circulation and comprises fuel supply line 5, flow control valve 6, return tube 10, pump oil temperature sensor 2, electronic temperature controller 13, air-cooled pump oil cooler 9 and add the electric heater 16 of joining in case of necessity in fuel tank with oily temperature control system.
Side-mounted fuel tank 11 links to each other with the oil pipe loop of air-cooled pump oil cooler 9 with flow control valve 6 by fuel supply line 5, and return tube 10 1 ends link to each other with air-cooled pump oil cooler 9, and return tube 10 the other ends link to each other with pump chamber.
Pump oil temperature sensor 2 online testing pump oil temperatures are housed on side-mounted fuel tank 11, and pump oil temperature sensor 2 links to each other with electronic temperature controller 13 in being arranged on electric control box 12.Described air-cooled pump oil cooler 9 comprises pump oil cooler, pump oil cooler fan electromotor 8, and the pump oil cooler is equipped with pump oil cooler fan electromotor 8, and the pump oil cooler has but radiating fin of pump oil cooling is housed on pump oil cooling pipe, the pump oil cooling pipe.
Voltmeter, ammeter, oily temperature display screen are housed on the described electric control box 12, electronic temperature controller 13 is housed in the electric control box 12.Described electronic temperature controller 13 adopts commercially available electronic temperature controller.
In the air-cooled sliding vane rotary vacuum pump working procedure, pump oil is under the effect of blade pump chamber external and internal pressure difference, automatic cycle flows and regulates temperature, its process is: the pump oil in the side-mounted fuel tank 11, under the effect of gas pressure, flow in the oil pipe loop of air-cooled pump oil cooler 9 through pump oil strainer 15, fuel supply line 5 and flow control valve 6; Flow into through return tube 10 again and be in the pump chamber of low-pressure state, play the lubricating of the pump housing 4, blade 22 and 17 of rotors, sealing and cooling action; Driven by blade 22 at last and come back in the side-mounted fuel tank 11 by exhaust port 20 and exhaust valve component 18.In the pump work process, pump oil temperature control system is by being placed in the pump oil temperature sensor 2 online testing pump oil temperatures on the exhaust fuel tank 11, (present embodiment extracts water vapour when the pump oil temperature is higher than the upper limiting temperature of setting, be set at 100 ℃) time, be arranged on the electronic temperature controller 13 automatic pump oil cooler fan electromotors 8 that start air-cooled pump oil cooler 9 in the electric control box 12, the pump oil of the pump oil cooler 9 of flowing through is lowered the temperature; When the pump oil temperature was lower than the lower limit temperature (present embodiment extracts water vapour, is set at 85 ℃) of setting, electronic temperature controller 13 started the electric heater 16 that is arranged in the side-mounted fuel tank 11 automatically, to the oil of the pump in fuel tank heat temperature raising; If pump oil is in suitable temperature range, 13 of electronic temperature controllers cut out fan electromotor 8 and electric heater 16 automatically.Because pump oil constantly absorbs the heat of the pump housing and pumped gas during proper functioning, so be used for the less work of electric heater that pump oil heats up, generally only be in specific region such as north of china in winter and the specific period such as the startup of driving just can start, so can be used as the apolegamy component configuration.
Claims (7)
1. an air-cooled sliding vane rotary vacuum pump that has oily temperature control system is characterized in that comprising the pump housing stator, front cover, rear end cover, rotor, blade, exhaust valve component, side-mounted fuel tank, the circulation of pump oil and oily temperature control system, motor supporting base, motor and electric control box that have the wind-cooling heat dissipating sheet; In the sealing pump chamber that is made of front cover, pump housing stator and rear end cover, lateral deviation is felt at ease rotor is housed, and has the blade groove on the rotor, in the blade groove blade is housed; Rear end cover is fixed in motor bearing seat one side, and the motor that is connected with rotor shaft is fixed in motor bearing seat opposite side, drives the rotor rotation; Pump housing stator top has suction port; The back side of pump housing stator has exhaust port, on adorn exhaust valve component; Pump housing stator rear portion is connected with the side-mounted fuel tank that is divided into upper and lower two chambeies, and side-mounted fuel tank cavity of resorption has pump oil filter screen and filter, and side-mounted fuel tank epicoele has the vent control valve mist resistant filter;
Circulation of described pump oil and oily temperature control system comprise fuel supply line, flow control valve, return tube, pump oil temperature sensor, electronic temperature controller and air-cooled pump oil cooler;
Side-mounted fuel tank links to each other with the oil pipe loop of air-cooled pump oil cooler with flow control valve by fuel supply line, and return tube one end links to each other with air-cooled pump oil cooler, and the return tube the other end links to each other with pump chamber;
The online testing pump oil temperature of pump oil temperature sensor is housed on side-mounted fuel tank, and pump oil temperature sensor links to each other with electronic temperature controller in being arranged on electric control box.
2. a kind of air-cooled sliding vane rotary vacuum pump that has oily temperature control system according to claim 1, it is characterized in that described air-cooled pump oil cooler comprises pump oil cooler and pump oil cooler fan electromotor, the pump oil cooler is equipped with pump oil cooler fan electromotor, and the pump oil cooler has but radiating fin of pump oil cooling is housed on pump oil cooling pipe, the pump oil cooling pipe.
3. a kind of air-cooled sliding vane rotary vacuum pump that has oily temperature control system according to claim 1 is characterized in that being equipped with on the described electric control box voltmeter, ammeter, oily temperature display screen.
4. a kind of air-cooled sliding vane rotary vacuum pump that has oily temperature control system according to claim 1 is characterized in that adding in fuel tank and is furnished with electric heater.
5. a kind of air-cooled sliding vane rotary vacuum pump that has oily temperature control system according to claim 1 is characterized in that described pump housing stator is provided with the wind-cooling heat dissipating sheet.
6. the described a kind of oily temperature control method that has the air-cooled sliding vane rotary vacuum pump of oily temperature control system of claim 1 is characterized in that:
In the air-cooled sliding vane rotary vacuum pump working procedure, pump oil is under the effect of blade pump chamber external and internal pressure difference, automatic cycle flows and regulates temperature, its flow process is: the pump oil in the exhaust fuel tank cavity of resorption, under the effect of gas pressure, flow in the oil pipe loop of air-cooled pump oil cooler through pump oil strainer, fuel supply line and flow control valve; Flow into through return tube again and be in the pump chamber of low-pressure state, play lubricated, sealing between the pump housing, blade and rotor and cooling action; Driven by blade at last and come back in the exhaust fuel tank by exhaust port and exhaust valve component;
In the air-cooled sliding vane rotary vacuum pump working procedure, pump oil temperature control system is by being placed in the online testing pump oil temperature of pump oil temperature sensor on the exhaust fuel tank, the upper limiting temperature that is higher than setting when the pump oil temperature, upper limiting temperature is the saturation temperature of coercibility steam under exhaust pressure, when upper limiting temperature is set at 100 ℃ when extracting water vapour, be arranged on the automatic pump oil cooler fan electromotor that starts air-cooled pump oil cooler of electronic temperature controller in the electric control box, the pump oil of the pump oil cooler of flowing through is lowered the temperature; When the pump oil temperature is lower than the lower limit temperature of setting, when lower limit temperature was set at 85 ℃ when extracting water vapour, electronic temperature controller started the electric heater that is arranged in the exhaust fuel tank automatically, to the oil of the pump in fuel tank heat temperature raising; If pump oil is in 85 ℃～100 ℃ of suitable temperature ranges, electronic temperature controller then cuts out pump oil cooler fan electromotor and electric heater automatically.
7. the described a kind of oily temperature control method that has the air-cooled sliding vane rotary vacuum pump of oily temperature control system of claim 6, pump oil constantly absorbs the heat of the pump housing and pumped gas when it is characterized in that proper functioning, be used for the less work of electric heater that pump oil heats up, only be in the north of china in winter region and drive to start the period and just can start.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110139613 CN102155409B (en) | 2011-05-27 | 2011-05-27 | Air-cooled rotary-vane vacuum pump with oil temperature control system and oil temperature control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110139613 CN102155409B (en) | 2011-05-27 | 2011-05-27 | Air-cooled rotary-vane vacuum pump with oil temperature control system and oil temperature control method thereof |
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| CN102155409A true CN102155409A (en) | 2011-08-17 |
| CN102155409B CN102155409B (en) | 2013-05-22 |
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| CN 201110139613 Expired - Fee Related CN102155409B (en) | 2011-05-27 | 2011-05-27 | Air-cooled rotary-vane vacuum pump with oil temperature control system and oil temperature control method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201852A (en) * | 2015-10-21 | 2015-12-30 | 无锡惠山泵业有限公司 | Novel vehicle vacuum pump oil distributor |
| CN107503986A (en) * | 2017-09-06 | 2017-12-22 | 杭州东华链条集团有限公司 | A kind of self-loopa cooling oil-water separating net band stove blower fan |
| WO2018050545A1 (en) * | 2016-09-13 | 2018-03-22 | Leybold Gmbh | Vacuum pump |
| CN109405284A (en) * | 2018-11-16 | 2019-03-01 | 苏州奥德机械有限公司 | A kind of negative pressure oil temperature machine |
| CN110439819A (en) * | 2019-07-31 | 2019-11-12 | 上海汇海真空机械设备有限公司 | A kind of vacuum pump of vacuum nitrogen Pesticidal and sterilizing sterilizing equipment decontaminating apparatus |
| CN110678654A (en) * | 2017-04-12 | 2020-01-10 | 克诺尔商用车制动系统有限公司 | Compressor system with adjustable and/or controllable temperature monitoring device |
| CN114396372A (en) * | 2021-12-24 | 2022-04-26 | 中科仪(南通)半导体设备有限责任公司 | Dry vacuum pump cooling system |
| CN114570069A (en) * | 2022-03-25 | 2022-06-03 | 西安东方能源工程有限公司 | Full-automatic control system for impurity and water removal of oil liquid by vacuum pump and use method thereof |
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| US20010024617A1 (en) * | 2000-03-27 | 2001-09-27 | Hiroyuki Ishigure | Cooling apparatus for vacuum pump |
| CN201187454Y (en) * | 2008-04-29 | 2009-01-28 | 任利民 | Environment protection type vacuum pump |
| CN202073788U (en) * | 2011-05-27 | 2011-12-14 | 南通金坤机械设备有限公司 | Air-cooled type rotary vane vacuum pump with oil-temperature control system |
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- 2011-05-27 CN CN 201110139613 patent/CN102155409B/en not_active Expired - Fee Related
Patent Citations (4)
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| CN2419392Y (en) * | 2000-03-08 | 2001-02-14 | 广东真空设备厂股份有限公司 | Vacuum pump working at bay condition |
| US20010024617A1 (en) * | 2000-03-27 | 2001-09-27 | Hiroyuki Ishigure | Cooling apparatus for vacuum pump |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201852A (en) * | 2015-10-21 | 2015-12-30 | 无锡惠山泵业有限公司 | Novel vehicle vacuum pump oil distributor |
| WO2018050545A1 (en) * | 2016-09-13 | 2018-03-22 | Leybold Gmbh | Vacuum pump |
| CN110678654A (en) * | 2017-04-12 | 2020-01-10 | 克诺尔商用车制动系统有限公司 | Compressor system with adjustable and/or controllable temperature monitoring device |
| CN107503986A (en) * | 2017-09-06 | 2017-12-22 | 杭州东华链条集团有限公司 | A kind of self-loopa cooling oil-water separating net band stove blower fan |
| CN109405284A (en) * | 2018-11-16 | 2019-03-01 | 苏州奥德机械有限公司 | A kind of negative pressure oil temperature machine |
| CN110439819A (en) * | 2019-07-31 | 2019-11-12 | 上海汇海真空机械设备有限公司 | A kind of vacuum pump of vacuum nitrogen Pesticidal and sterilizing sterilizing equipment decontaminating apparatus |
| CN114396372A (en) * | 2021-12-24 | 2022-04-26 | 中科仪(南通)半导体设备有限责任公司 | Dry vacuum pump cooling system |
| CN114570069A (en) * | 2022-03-25 | 2022-06-03 | 西安东方能源工程有限公司 | Full-automatic control system for impurity and water removal of oil liquid by vacuum pump and use method thereof |
Also Published As
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Effective date of registration: 20170915 Address after: 226116 Jiangsu province Nantong Dagang Haimen Development Zone, Haimen Port Road No. 1008 in 4. Patentee after: NANTONG NORBOTE ROBOT MANUFACTURING CO.,LTD. Address before: 226114 Jiangsu city of Nantong Province Haimen Development Zone, Haimen Hong Kong Road 188 Patentee before: Nantong Jinkun Machinery Equipment Co.,Ltd. |
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