CN201241829Y - Low vibration and low energy consumption electric machine overhead type single-stage sliding valve vacuum pump - Google Patents
Low vibration and low energy consumption electric machine overhead type single-stage sliding valve vacuum pump Download PDFInfo
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- CN201241829Y CN201241829Y CNU2008200388657U CN200820038865U CN201241829Y CN 201241829 Y CN201241829 Y CN 201241829Y CN U2008200388657 U CNU2008200388657 U CN U2008200388657U CN 200820038865 U CN200820038865 U CN 200820038865U CN 201241829 Y CN201241829 Y CN 201241829Y
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Abstract
The utility model relates to a low-vibration low-energy-consumption motor overhead type single-stage slide valve vacuum pump, for sucking the air of sealed containers or systems, which comprises a pump body (1), a rail (3) on the case of the pump body, a pump shaft (10) in the chamber of the pump body, an oil tank (5) connected with the top of the pump body (5), two exhaust valve assemblies (9) on the top wall of the case of the pump body, an exhaust valve chamber (15) on the exhaust valve assemblies (9), and an exhaust pipe (16) upwards provided and connected with top of the exhaust valve chamber (15). The low-vibration low-energy-consumption motor overhead type single-stage slide valve vacuum pump is characterized in that the chamber of the pump body (1) is divided into two chambers as one sealed end chamber and one output shaft end chamber, the pump shaft (10) is mounted with two slide valve eccentric wheel mechanisms (2) as one sealed end slide valve eccentric wheel mechanism and one output shaft end slide valve eccentric wheel mechanism which are symmetrically distributed on the pump shaft (10) of an angle of 180 degrees, the two exhaust valve assemblies (9) are respectively arranged on the case wall at the tops of the two chambers of the pump body (1), and the motor (8) is arranged at the top of the oil tank (5). The low-vibration low-energy-consumption motor overhead type single-stage slide valve vacuum pump has low vibration and low energy consumption.
Description
(1) technical field
The utility model relates to a kind of low-vibration low-energy consumption electric machine overhead type single-stage sliding valve vacuum pump.Be mainly used on the air and technologies such as other special gas that contains certain dust and condensable gas in suction seal container or the closed system.Be widely used in manufacturings such as Aeronautics and Astronautics, oil, chemical industry, pharmacy, machinery, electronics, metallurgy, food, light industry at present in a large number.
(2) background technique
Traditional single-stage sliding valve vacuum pump mainly is made up of component such as the pump housing, pump cover, guiding valve, guide rail, pump shaft, eccentric wheel, motor, transmission part, fuel tanks.Traditional product has the following disadvantages:
1, rotating machinery is an eccentric structure.Traditional product can't be accomplished inner equilibrium owing to adopt single guiding valve eccentric mechanism, the defective that the ubiquity dynamic balancing is poor, vibration is big.
2, traditional product is owing to adopt single eccentric wheel and the mechanism of guiding valve, and the centrifugal force of pump shaft is big during operation, and pump rotates a circle and can only finish once process air-breathing, exhaust, and energy consumption is bigger, is prone to problems such as parts depreciation severity, working life is short.
3, traditional product exists and takes up an area of greatly the problem of Heavy Weight because vibration is very big, and vacuum pump and motor must be installed on the huge chassis.
4, eccentric wheel, guiding valve, guide rail need a large amount of machinery oil to be lubricated when high speed rotating, traditional product is to rely on vacuum to carry out the negative pressure self-priming, and its inside does not have vacuum when vacuum pump just starts, so the traditional product fault that occurs killing because of the oil starvation in the long period when the bigger vacuum system of suction.
5, traditional product all adopts the sealing configuration of outside framework oil seal, the complex structure of this sealing, poor reliability, and working life is short, and leakage of oil, gas leakage are seriously.
(3) summary of the invention
First purpose of the present utility model is to overcome above-mentioned deficiency, provides a kind of good dynamic balance, vibration is little, energy consumption is little, occupation of land is little, lightweight low-vibration low-energy consumption electric machine overhead type single-stage sliding valve vacuum pump.
Second purpose of the present utility model is to overcome above-mentioned deficiency, and a kind of low-vibration low-energy consumption electric machine overhead type single-stage sliding valve vacuum pump that oil starvation is killed phenomenon that takes place can avoid rough vacuum occurring the time is provided.
The 3rd purpose of the present utility model is to overcome above-mentioned deficiency, provides a kind of sealing configuration simple, good reliability, and long service life, does not have the low-vibration low-energy consumption electric machine overhead type single-stage sliding valve vacuum pump that leaks gas at no leakage of oil.
First purpose of the present utility model is achieved in that a kind of low-vibration low-energy consumption electric machine overhead type single-stage sliding valve vacuum pump, comprise the pump housing, the pump case of the described pump housing is provided with guide rail, be provided with pump shaft in the cavity of the pump housing, pump shaft goes out axle head and links to each other with motor by driving mechanism, described pump housing top upwards is connected with fuel tank, the pump housing one side is provided with suction port, suction port and pump housing intracavity inter-connection, the fuel tank sidewall is provided with relief opening, on the pump case top shell wall of the pump housing exhaust valve complement is arranged, exhaust valve complement and pump housing intracavity inter-connection, there is the exhaust valve pocket described exhaust valve complement top, and the outlet valve top of chamber upwards is connected with outlet pipe, described outlet pipe places in the described fuel tank, it is characterized in that:
Described pump housing inner chamber is separated into two chambers, and one of them is referred to as the closed end chamber near the closed end of pump shaft, and another is referred to as out the axle head chamber near the axle head that goes out of pump shaft;
Device has two cover guiding valve eccentric mechanisms on the described pump shaft, wherein one is set in the described closed end chamber, is referred to as closed end guiding valve eccentric mechanism, and another set of being arranged on describedly goes out in the axle head chamber, is referred to as out axle head guiding valve eccentric mechanism; Described closed end guiding valve eccentric mechanism comprises closed end guiding valve and envelope valve end eccentric wheel, and on the pump shaft of described envelope valve end eccentric wheel apparatus in the closed end chamber, the closed end spools in close is sleeved on outside the envelope valve end eccentric wheel; Describedly go out axle head guiding valve eccentric mechanism and comprise the axle head guiding valve and go out the axle head eccentric wheel, describedly go out on the pump shaft of axle head eccentric wheel apparatus in going out the axle head chamber, go out the axle head spools in close and be sleeved on out outside the axle head eccentric wheel;
Described closed end guiding valve eccentric mechanism with go out axle head guiding valve eccentric mechanism and be 180 ° of symmetrical distributions at pump shaft, an end of the closed end guiding valve of described closed end guiding valve eccentric mechanism and an end that goes out the axle head guiding valve that goes out axle head guiding valve eccentric mechanism all are plugged in the described guide rail;
Described exhaust valve complement has two groups, is separately positioned on two chamber roof shell walls of the pump housing;
Described motor is arranged on the fuel tank top.
The utility model changes the single guiding valve eccentric wheel structure of traditional product, adopt two cover guiding valve eccentric mechanisms to be 180 ° of symmetrical distributions, thoroughly the running dynamic equilibrium problems of solution pump makes pump operation realize low vibration, has improved the quality of product of pump and the working life of prolongation pump.
The utility model adopts eccentric pair of cylinder mechanism of two cover guiding valves, one air-breathing, an expiration, dynamic balancing when realizing the pump high speed rotating, the supporting force of pump shaft reduces greatly, pump shaft rotates a circle and can realize secondary suction and exhaust process, can reduce nearly 40% by the single cylinder low-vibration low-energy consumption electric machine overhead type single-stage sliding valve vacuum pump of loss-rate tradition.
The utility model is owing to possess good dynamic balancing, and motor directly overhead is installed on the fuel tank of single-stage sliding valve vacuum pump, can also save the huge chassis of traditional product, and floor space reduces more than 50%, and weight descends more than 35%.
Second purpose of the present utility model is achieved in that the pump housing shell wall in the closed end outside of described pump shaft is provided with the closed end side cover plate, closed end side cover plate outside fixing device has the oil pump connecting base, device has the inner tooth type Swing line oil pump on the oil pump connecting base, and the inner tooth type Swing line oil pump is connected with pump shaft by the oil pump coupling.
The utility model adopts high pressure inner tooth type Swing line oil pump that the eccentric wheel of pump, guiding valve, guide rail etc. are rotated at a high speed and the moving element that slides carries out pressure lubrication, thoroughly solves the oil starvation of traditional product when rough vacuum and kills phenomenon.
The 3rd purpose of the present utility model is achieved in that the pump housing shell wall that axle head of described pump shaft is provided with out the shaft end side cover plate, describedly go out in the shaft end side cover plate to be equipped with bearing and packing ring, go out the shaft end side cover plate outside fixing device mechanical seal structure is arranged, described mechanical seal structure comprises the external sealed seat, interior sealing seat, graphite rotary packing ring and cemented carbide stationary seal ring, going out outside the shaft end side cover plate of described external sealed seat fixing device, interior sealing seat, the pump shaft that graphite rotary packing ring and cemented carbide stationary seal ring closely are sleeved in the external sealed seat from the inside to the outside successively goes out axle head, sealing seat inner circumference direction is evenly equipped with a plurality of springs in described, described spring is embedded between interior sealing seat endoporus step surface and the graphite rotary packing ring, described graphite rotary packing ring inner ring is set the O RunddichtringO, described cemented carbide stationary seal ring is encapsulated with sealing skin wrist outward, external sealed seat outer end is equipped with bearing, external sealed seat outboard cover is equipped with bearing gland, is packaged with machinery oil in the cavity that forms between described external sealed seat and interior sealing seat and the graphite rotary packing ring.
The utility model changes the movable sealing structure design of pump shaft external part.Adopt the balanced mechanical seal structure, the sealing surface friction factor is little, seal ring has automatic compensation function, and seal durability is longer more than 4 times than traditional product, more phenomenons such as leakage of oil, gas leakage can not occur.
(4) description of drawings
Fig. 1 is an External view of the present utility model.
Fig. 2 is the left side view of Fig. 1.
Fig. 3 is the right side view of Fig. 1.
Fig. 4 is the plan view of Fig. 1.
Fig. 5 is the A-A cut-away view of Fig. 1.
Fig. 6 is the B-B cut-away view of Fig. 4.
Fig. 7 is the pump shaft shaft terminal tool sealing configuration enlarged view of Fig. 6.
Among the figure: the pump housing 1, guiding valve eccentric mechanism 2, guide rail 3, suction port 4, fuel tank 5, oil blocking cover assembly 6, motor bedplate 7, motor 8, exhaust valve complement 9, pump shaft 10, inner tooth type Swing line oil pump 11, relief opening 12, driving mechanism 13, mechanical seal structure 14, exhaust valve pocket 15, outlet pipe 16, strut 17; Pump housing bottom plate 1.1, bottom plate pad 1.2, water separate space cover plate 1.3, exhaust valve pocket cover plate 1.4, pump housing side cover plate 1.5, closed end side cover plate 1.6, go out shaft end side cover plate 1.7, bearing 1.8, packing ring 1.9; Guiding valve 2.1, envelope valve end eccentric wheel 2.2, go out axle head guiding valve 2.3, go out axle head eccentric wheel 2.4; Suction port cover plate 4.1; Tank side cover plate 5.1, tank side cover plate pad 5.2, oily window 5.3, oily window pad 5.4, fuel tank pad 5.5; Motor lifting bolt 8.1; Oil pump coupling 11.1, oil pump connecting base 11.2; Driving pulley 13.1, driven pulley 13.2, belt hood 13.3; External sealed seat 14.1, interior sealing seat 14.2, spring 14.3, O RunddichtringO 14.4, bearing 14.5, bearing gland 14.6, sealing skin wrist 14.7, cemented carbide stationary seal ring 14.8, graphite rotary packing ring 14.9, machinery oil 14.10.
(5) embodiment
Referring to Fig. 1～6, the low-vibration low-energy consumption electric machine overhead type single-stage sliding valve vacuum pump that the utility model relates to, comprise the pump housing 1, the pump case of the described pump housing 1 is provided with guide rail 3, be provided with pump shaft 10 in the cavity of the pump housing 1, pump shaft 10 centers are provided with oilhole, the described pump housing 1 inner chamber is separated into two chambers, closed end near pump shaft 10, be referred to as the closed end chamber, another is near the axle head that goes out of pump shaft 10, be referred to as out the axle head chamber, device has two cover guiding valve eccentric mechanisms 2 on the described pump shaft 10, wherein one is set in the described closed end chamber, be referred to as closed end guiding valve eccentric mechanism, another set of being arranged on describedly goes out in the axle head chamber, is referred to as out axle head guiding valve eccentric mechanism, and described closed end guiding valve eccentric mechanism comprises closed end guiding valve 2.1 and envelope valve end eccentric wheel 2.2, on the pump shaft 10 of described envelope valve end eccentric wheel 2.2 devices in described closed end chamber, closed end guiding valve 2.1 closely is sleeved on outside the envelope valve end eccentric wheel 2.2; Describedly go out axle head guiding valve eccentric mechanism and comprise axle head guiding valve 2.3 and go out axle head eccentric wheel 2.4, describedly go out axle head eccentric wheel 2.4 devices on the described pump shaft 10 that goes out in the axle head chamber, go out axle head guiding valve 2.3 and closely be sleeved on out outside the axle head eccentric wheel 2.4; And closed end guiding valve eccentric mechanism with go out axle head guiding valve eccentric mechanism and be 180 ° of symmetrical distributions at pump shaft 10, the closed end guiding valve 2.1 of closed end guiding valve eccentric mechanism all is plugged in the described guide rail 3 with an end that goes out axle head guiding valve 2.3 that goes out axle head guiding valve eccentric mechanism, matches with the moving direction of guide rail.
Referring to Fig. 5, the described pump housing 1 top upwards is connected with fuel tank 5, be provided with exhaust valve complement 9 on two chamber roof shell walls of the described pump housing 1, there is exhaust valve pocket 15 exhaust valve complement 9 tops, exhaust valve pocket 15 tops upwards are connected with outlet pipe 16, described outlet pipe 16 places in the described fuel tank 5, outlet pipe 16 tops are provided with oil blocking cover assembly 6, outlet pipe 16 is provided with exhaust valve pocket cover plate 1.4 with exhaust cavity 15 joints, the pump case top of the described pump housing 1 also is provided with water separate space cover plate 1.3, and the pump housing 1 bottom is provided with pump housing bottom plate 1.1 and bottom plate pad 1.2.The described pump housing 1 one sides are provided with suction port 4, suction port 4 and pump housing intracavity inter-connection, and suction port 4 ends are provided with suction port cover plate 4.1, and the described pump housing 1 the other end is provided with pump housing side cover plate 1.5.Described fuel tank 5 tank walls are provided with relief opening 12, fuel tank 5 one sides are provided with tank side cover plate 5.1 and tank side cover plate pad 5.2, tank side cover plate 5.1 is provided with oily window 5.3 and oily window pad 5.4, is provided with fuel tank pad 5.5 between described fuel tank 5 bottoms and the pump housing 1 top.
Described fuel tank 5 tops are provided with motor 8, and motor 8 is fixedly mounted on fuel tank 5 tops by motor bedplate 7 and motor lifting bolt 8.1.
Described motor 8 output terminals link to each other with the axle head that goes out of pump shaft 10 by driving mechanism 13.
Described driving mechanism 13 is made up of driving pulley 13.1, driven pulley 13.2 and driving belt.Driving mechanism 13 is outside equipped with belt hood 13.3.Described fuel tank 5 sides are fixedlyed connected with belt hood 13.3 with strut 17.
The pump housing 1 shell wall in the closed end outside of described pump shaft 10 is provided with closed end side cover plate 1.6, closed end side cover plate 1.6 outside fixing devices have oil pump connecting base 11.2, device has inner tooth type Swing line oil pump 11 on the oil pump connecting base 11.2, and inner tooth type Swing line oil pump 11 is connected by the closed end of oil pump coupling 11.1 with pump shaft 10; The pump housing that goes out axle head 1 shell wall of described pump shaft 10 is provided with out shaft end side cover plate 1.7, describedly goes out in the shaft end side cover plate 1.7 to be equipped with bearing 1.8 and packing ring 1.9, and going out shaft end side cover plate 1.7 outside fixing devices has mechanical seal structure 14.
Referring to Fig. 7, described mechanical seal structure 14 mainly is made up of external sealed seat 14.1, interior sealing seat 14.2, spring 14.3, O RunddichtringO 14.4, bearing 14.5, bearing gland 14.6, sealing skin wrist 14.7, cemented carbide stationary seal ring 14.8, graphite rotary packing ring 14.9 and machinery oil 14.10.Described external sealed seat 14.1 fixing devices go out shaft end side cover plate 1.7 outsides, interior sealing seat 14.2, the pump shaft 10 that graphite rotary packing ring 14.9 and cemented carbide stationary seal ring 14.8 closely are sleeved in the external sealed seat 14.1 from the inside to the outside successively goes out axle head, sealing seat 14.2 inner circumference directions are evenly equipped with a plurality of springs 14.3 (having 6 among the figure) in described, and described spring 14.3 is embedded between interior sealing seat 14.2 endoporus step surfaces and the graphite rotary packing ring 14.9, described graphite rotary packing ring 14.9 inner rings are set O RunddichtringO 14.4, the described cemented carbide stationary seal ring 14.8 outer sealing skin wrists 14.7 that are encapsulated with, described bearing 14.5 is embedded in external sealed seat 14.1 outer ends, bearing gland 14.6 lids are put sealing seat 14.1 outsides outside, and described machinery oil 14.10 is encapsulated in the cavity that forms between described external sealed seat 14.1 and interior sealing seat 14.2 and the graphite rotary packing ring 14.9.
Claims (10)
1, a kind of low-vibration low-energy consumption electric machine overhead type single-stage sliding valve vacuum pump, comprise the pump housing (1), the pump case of the described pump housing (1) is provided with guide rail (3), be provided with pump shaft (10) in the cavity of the pump housing (1), pump shaft (10) center is provided with oilhole, pump shaft (10) goes out axle head and links to each other with motor (8) by driving mechanism (13), the described pump housing (1) top upwards is connected with fuel tank (5), the pump housing (1) one side is provided with suction port (4), suction port (4) and the pump housing (1) intracavity inter-connection, fuel tank (5) tank wall is provided with relief opening (12), on the pump case top shell wall of the pump housing (1) exhaust valve complement (9) is arranged, exhaust valve complement (9) and the pump housing (1) intracavity inter-connection, there is exhaust valve pocket (15) described exhaust valve complement (9) top, exhaust valve pocket (15) top upwards is connected with outlet pipe (16), and described outlet pipe (16) places in the described fuel tank (5), it is characterized in that:
The described pump housing (1) inner chamber is separated into two chambers, and one of them is referred to as the closed end chamber near the closed end of pump shaft (10), and another is referred to as out the axle head chamber near the axle head that goes out of pump shaft (10);
Described pump shaft (10) is gone up device two cover guiding valve eccentric mechanisms (2), wherein one is set in the described closed end chamber, is referred to as closed end guiding valve eccentric mechanism, and another set of being arranged on describedly goes out in the axle head chamber, is referred to as out axle head guiding valve eccentric mechanism; Described closed end guiding valve eccentric mechanism comprises closed end guiding valve (2.1) and envelope valve end eccentric wheel (2.2), on the pump shaft (10) of described envelope valve end eccentric wheel (2.2) device in the closed end chamber, closed end guiding valve (2.1) closely is sleeved on outside the envelope valve end eccentric wheel (2.2); Describedly go out axle head guiding valve eccentric mechanism and comprise axle head guiding valve (2.3) and go out axle head eccentric wheel (2.4), describedly go out on the pump shaft (10) of axle head eccentric wheel (2.4) device in going out the axle head chamber, go out axle head guiding valve (2.3) and closely be sleeved on out outside the axle head eccentric wheel (2.4);
Described closed end guiding valve eccentric mechanism with go out axle head guiding valve eccentric mechanism and be 180 ° of symmetrical distributions at pump shaft (10), an end of the closed end guiding valve (2.1) of described closed end guiding valve eccentric mechanism and an end that goes out axle head guiding valve (2.3) that goes out axle head guiding valve eccentric mechanism all are plugged in the described guide rail (3);
Described exhaust valve complement (9) has two, is separately positioned on two chamber roof shell walls of the pump housing (1);
Described motor (8) is arranged on fuel tank (5) top.
2, a kind of low-vibration low-energy consumption electric machine overhead type single-stage sliding valve vacuum pump according to claim 1, the pump housing (1) shell wall that it is characterized in that the closed end outside of described pump shaft (10) is provided with closed end side cover plate (1.6), closed end side cover plate (1.6) outside fixing device has oil pump connecting base (11.2), oil pump connecting base (11.2) is gone up device inner tooth type Swing line oil pump (11), and inner tooth type Swing line oil pump (11) is connected by the lubrication hole of oil pump coupling (11.1) with pump shaft (10) center.
3, the empty pump of a kind of low-vibration low-energy consumption electric machine overhead type single-stage sliding valve vacuum pump according to claim 1 and 2, the pump housing that goes out axle head (1) shell wall that it is characterized in that described pump shaft (10) is provided with out shaft end side cover plate (1.7), describedly go out in the shaft end side cover plate (1.7) to be equipped with bearing (1.8) and packing ring (1.9), go out shaft end side cover plate (1.7) outside fixing device mechanical seal structure (14) is arranged, described mechanical seal structure (14) comprises external sealed seat (14.1), interior sealing seat (14.2), graphite rotary packing ring (14.9) and cemented carbide stationary seal ring (14.8), going out outside the shaft end side cover plate (1.7) of described external sealed seat (14.1) fixing device, interior sealing seat (14.2), the pump shaft (10) that graphite rotary packing ring (14.9) and cemented carbide stationary seal ring (14.8) closely are sleeved in the external sealed seat (14.1) from the inside to the outside successively goes out axle head, sealing seat (14.2) inner circumference direction is evenly equipped with a plurality of springs (14.3) in described, described spring (14.3) is embedded between interior sealing seat (14.2) endoporus step surface and the graphite rotary packing ring (14.9), described graphite rotary packing ring (14.9) inner ring is set O RunddichtringO (14.4), the outer sealing skin wrist (14.7) that is encapsulated with of described cemented carbide stationary seal ring (14.8), the external sealed seat, (14.1) outer end is equipped with bearing (14.5), external sealed seat (14.1) outboard cover is equipped with bearing gland (14.6), is packaged with machinery oil (14.10) in the cavity that forms between described external sealed seat (14.1) and interior sealing seat (14.2) and the graphite rotary packing ring (14.9).
4, the empty pump of a kind of low-vibration low-energy consumption electric machine overhead type single-stage sliding valve vacuum pump according to claim 1 and 2 is characterized in that described motor (8) is fixedly mounted on fuel tank (5) top by motor bedplate (7) and motor lifting bolt (8.1).
5, the empty pump of a kind of low-vibration low-energy consumption electric machine overhead type single-stage sliding valve vacuum pump according to claim 1 and 2 is characterized in that described outlet pipe (16) top is provided with oil blocking cover assembly (6).
6, the empty pump of a kind of low-vibration low-energy consumption electric machine overhead type single-stage sliding valve vacuum pump according to claim 1 and 2, it is characterized in that described outlet pipe (16) and exhaust cavity (15) joint are provided with exhaust valve pocket cover plate (1.4), the pump case top of the described pump housing (1) also is provided with water separate space cover plate (1.3), and the pump housing (1) bottom is provided with pump housing bottom plate (1.1) and bottom plate pad (1.2).
7, the empty pump of a kind of low-vibration low-energy consumption electric machine overhead type single-stage sliding valve vacuum pump according to claim 1 and 2, it is characterized in that described suction port (4) end is provided with suction port cover plate (4.1), the described pump housing (1) the other end is provided with pump housing side cover plate (1.5).
8, the empty pump of a kind of low-vibration low-energy consumption electric machine overhead type single-stage sliding valve vacuum pump according to claim 1 and 2, it is characterized in that described fuel tank (5) one sides are provided with tank side cover plate (5.1) and tank side cover plate pad (5.2), tank side cover plate (5.1) is provided with oily window (5.3) and oily window pad (5.4), is provided with fuel tank pad (5.5) between described fuel tank (5) bottom and the pump housing (1) top.
9, the empty pump of a kind of low-vibration low-energy consumption electric machine overhead type single-stage sliding valve vacuum pump according to claim 1 and 2, it is characterized in that described driving mechanism (13) comprises driving pulley (13.1), driven pulley (13.2) and driving belt, driving mechanism (13) is outside equipped with belt hood (13.3).
10, the empty pump of a kind of low-vibration low-energy consumption electric machine overhead type single-stage sliding valve vacuum pump according to claim 1 and 2 is characterized in that described fuel tank (5) side fixedlys connected with belt hood (13.3) with strut (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200388657U CN201241829Y (en) | 2008-08-04 | 2008-08-04 | Low vibration and low energy consumption electric machine overhead type single-stage sliding valve vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200388657U CN201241829Y (en) | 2008-08-04 | 2008-08-04 | Low vibration and low energy consumption electric machine overhead type single-stage sliding valve vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201241829Y true CN201241829Y (en) | 2009-05-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200388657U Expired - Fee Related CN201241829Y (en) | 2008-08-04 | 2008-08-04 | Low vibration and low energy consumption electric machine overhead type single-stage sliding valve vacuum pump |
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| Country | Link |
|---|---|
| CN (1) | CN201241829Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434461A (en) * | 2011-11-17 | 2012-05-02 | 浙江神工真空设备制造有限公司 | Slide valve vacuum pump |
| CN105090029A (en) * | 2015-09-15 | 2015-11-25 | 苏州普京真空技术有限公司 | Vacuum pump |
-
2008
- 2008-08-04 CN CNU2008200388657U patent/CN201241829Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434461A (en) * | 2011-11-17 | 2012-05-02 | 浙江神工真空设备制造有限公司 | Slide valve vacuum pump |
| CN102434461B (en) * | 2011-11-17 | 2016-03-23 | 浙江神工真空设备制造有限公司 | Sliding valve vacuum pump |
| CN105090029A (en) * | 2015-09-15 | 2015-11-25 | 苏州普京真空技术有限公司 | Vacuum pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: JIANGYIN TIANTIAN VACUUM EQUIPMENT CO., LTD. Assignor: Chen Quanyu Contract fulfillment period: 2009.5.10 to 2014.5.10 Contract record no.: 2009320001024 Denomination of utility model: Novel low-vibration low-energy consumption electric machine overhead type single-stage sliding valve vacuum pump Granted publication date: 20090520 License type: Exclusive license Record date: 20090623 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.5.10 TO 2014.5.10; CHANGE OF CONTRACT Name of requester: JIANGYIN TIANTIAN VACUUM EQUIPMENT MANUFACTURING C Effective date: 20090623 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090520 Termination date: 20140804 |
|
| EXPY | Termination of patent right or utility model |