US20070160485A1 - Air pump with air noise reduction structure - Google Patents
Air pump with air noise reduction structure Download PDFInfo
- Publication number
- US20070160485A1 US20070160485A1 US11/642,776 US64277606A US2007160485A1 US 20070160485 A1 US20070160485 A1 US 20070160485A1 US 64277606 A US64277606 A US 64277606A US 2007160485 A1 US2007160485 A1 US 2007160485A1
- Authority
- US
- United States
- Prior art keywords
- air
- airbag
- pump
- top cap
- inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
- F04B43/025—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms two or more plate-like pumping members in parallel
- F04B43/026—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms two or more plate-like pumping members in parallel each plate-like pumping flexible member working in its own pumping chamber
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0027—Pulsation and noise damping means
- F04B39/0055—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B45/00—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids
- F04B45/02—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having bellows
- F04B45/022—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having bellows with two or more bellows in parallel
Definitions
- the present invention relates to air pumps and more particularly, to an air pump having an improved air noise reduction structure.
- a conventional air pump comprising an airbag unit, which defines therein a plurality of air chambers, a partition plate, which has inlet holes and outlet holes respectively disposed in communication with the air chambers, a control valve, which has air inlet flaps and outlet flaps corresponding to the inlet holes and the outlet holes, a top cap, which has air inlets and air outlets respectively corresponding to the air inlet flaps and the outlet flaps, and an exhaust hole.
- the airbags are moved to suck in air through the air inlets and to force air out of the exhaust hole.
- the aforesaid prior art air pump has a complicated structure formed of a big number of parts, the noise of air suck in and/or air exhaust out from the air pump too laud, resulting in an uncomfortable in use; further, the conventional air pump complicated installation procedure and high manufacturing cost.
- the present invention has been accomplished under the circumstances in view. It is one object of the present invention to provide an air pump, which has an air inlet structure for reducing the noise during an air sucking into the air pump. It is another objects of the present invention to provide an air pump, which has an air outlet structure for reducing the noise during an air exhausting out the air pump.
- the air pump is coupled to a motor and adapted to pump air upon rotation of the motor.
- the air pump comprises a body; an airbag unit mounted in the body, the airbag unit comprising an airbag, the airbag having an air chamber; a lifting mechanism rotatable by the motor, the lifting mechanism having an arm connected to the airbag and adapted to move the airbag to pump air; and an air control unit coupled to the airbag unit, said air control unit comprising a partition plate having an inlet hole disposed in air communication with the air chamber of the airbag of the airbag unit, an air control valve having an inlet flap to control air into or stop out via said inlet hole of the partition plate, and a top cap having a cap body formed an exhaust hole, an air intake tunnel radially in communication between the inlet flap and an outer lateral peripheral of the cap body and opened an air intake opening.
- FIG. 1 is an exploded view of an air pump in accordance with a preferred embodiment of the present invention.
- FIG. 2 is a plain view in an exploded status of the air pump according to the preferred embodiment of the present invention.
- FIG. 3 is a sectional view in an exploded status of a part of the air pump according to the preferred embodiment of the present invention.
- FIG. 4 is an exploded view of a part of the air pump according to the preferred embodiment of the present invention.
- FIG. 5 is another exploded view of a part of the air pump according to the preferred embodiment of the present invention.
- FIG. 6 is still another exploded view of a part of the air pump according to the preferred embodiment of the present invention.
- FIG. 7 is a top end assembly view of the air pump according to the preferred embodiment of the present invention.
- FIG. 8 is a sectional view taken along line 8 - 8 of FIG. 7 .
- an air pump in accordance with a preferred embodiment of the present invention is shown movable with the shaft M 2 of a motor M to pump air.
- the air pump comprises a body formed of a holder 10 and a cover 20 , an airbag unit 30 , a lifting mechanism formed of a crank 40 and a rotary member 50 , and an air control unit formed of a partition plate 70 and an air control valve 80 and a top cap 90 .
- the holder 10 is affixed to the motor M with two screw bolts B 1 , having a holder body 11 defining a receiving open chamber 12 , a through hole 14 cut through the center of the bottom wall thereof in communication with the receiving open chamber 12 for the passing of the shaft M 2 of the motor M, and three mounting portions (mounting holes) 19 .
- the cover 20 has a cover body 21 covered on the holder body 11 of the holder 10 to close the receiving open chamber 12 , three mounting portions (mounting holes) 29 formed in the cover body 21 corresponding to the mounting portions 19 of the holder 10 , and three airbag receiving portions (airbag receiving holes) 23 formed in the cover body 21 .
- the airbag unit 30 has a mounting plate 31 , and three airbags 33 connected to the mounting plate 31 and respectively received in the airbag receiving portion 23 of the cover 20 .
- Each airbag 33 has an air chamber 34 , a coupling portion 35 .
- the crank 40 has a shaft 41 , which has an axial hole 42 , three arms 43 extended from the shaft 41 and respectively connected to the coupling portions 35 of the airbags 33 of the airbag unit 30 .
- Each arm 43 has a head 45 coupled to the coupling hole 35 of one airbag 33 .
- the rotary member 50 has a base 51 connected to the shaft M 2 of the motor M for rotation with the shaft M 2 , and an oblique shaft 53 obliquely extended from the base 51 and coupled with a steel ball 55 to the axial hole 42 of the shaft 41 of the crank 40 .
- the partition plate 70 has a body 71 connected to the top side of the mounting plate 31 of the airbag unit 30 , three inlet holes 73 and three outlet holes 74 respectively disposed in air communication with the air chambers 34 of the airbags 33 of the airbag unit 30 , and three mounting portions 79 respectively fastened to the mounting portions 29 of the cover 20 .
- the air control valve 80 has a valve body 81 fastened to the partition plate 70 , three inlet flaps 83 and three outlet flaps 84 respectively protruded from the valve body 81 and adapted to close/open the inlet holes 73 and outlet holes 74 of the partition plate 70 , and three mounting portions 89 .
- the top cap 90 has a cap body 91 mounted on the air control valve 80 , a chamber 92 defined in the cap body 91 corresponding to the outlet flaps 84 of the air control valve 80 , an exhaust barrel 93 formed an exhaust hole 94 in air communication with the chamber 92 , three air intake tunnel 95 of penetrating holes radially in communication between the chamber 92 and an outer lateral peripheral of the cap body 91 and opened an air intake opening 96 , each air intake tunnel 95 intake the air from the corresponding inlet flap 83 individually, three flap rooms 97 , three air outlet tunnels 98 formed of a continuous arched shape route in air communication with the chamber 92 and exhaust hole 94 , each outlet tunnel 98 exhaust the air to the exhaust hole 94 , and three mounting portions 99 .
- three screw bolts B 3 are inserted through the mounting portions 99 , 89 , 79 and 29 of the top cap 90 , air control valve 80 , partition plate 70 and cover 20 and fastened to the mounting portions 19 of the holder 10 to affix the related parts together.
- the air intake opening 96 opened on the outer lateral peripheral of the cap body 91 capable of sucking more air at a predetermine time, and the elongated air intake tunnel 95 let the air flow smooth; therefore, the air pump achieve reducing the air noise during air suck into the air pump.
- the associating inlet flap 83 is forced by air pressure to stop the wall of the chamber 92 and to further block the passage between the air intake tunnel 95 and the associating air chamber 34 , and at the same time the associating outlet flap 84 is forced by the air pressure to open the associating outlet hole 74 of the partition plate 70 for enabling air to pass through the air outlet tunnel 98 of the top cap 90 and the chamber 92 of the top cap 90 to the outside via the exhaust hole 94 .
- the air outlet tunnel 98 is formed of a continuous arched shape route, it reduce the air friction to the inner wall of the air outlet tunnel 98 , therefore, the air pump achieve reducing the noise of the air flow during air exhaust out the air pump via going through the air outlet tunnels 98 of the top cap 90 .
- said top cap and partition plate can made integrally to less the assembly and reduce the cost; further, the inlet flap and outlet flap are individual for convenient replacement; further more, the top cap can further comprises a plurality of auxiliary intake holes in communication with said air intake tunnel to enabling more reduction or air noise during sucking air innerwards.
- the air pump of the present invention has the following benefits:
- the air intake structure of the air pump capable of reducing the air noise during an air sucking into the air pump.
- the air outlet structure of the air pump capable of reducing the air noise during an air exhausting out the air pump.
Abstract
An air pump operably by a motor to pump air is disclosed to include a body, an airbag unit, which is mounted in the body has multiple airbags each having an air chamber, a lifting mechanism rotatable by the motor to move the airbags to pump air, and an air control unit coupled to the airbag unit for exhaust of air from the airbags, said air control unit comprising a partition plate having inlet holes and outlet holes respectively disposed in air communication with the air chambers of the airbag of the airbag unit, an air control valve having inlet flaps to control air into or stop out via said inlet holes of the partition plate, and a top cap having a cap body formed an exhaust hole, air intake tunnels in communication between the inlet flaps and outer lateral peripheral of the cap body and opened air intake openings.
Description
- 1. Field of the Invention
- The present invention relates to air pumps and more particularly, to an air pump having an improved air noise reduction structure.
- 2. Description of the Related Art
- A conventional air pump is known comprising an airbag unit, which defines therein a plurality of air chambers, a partition plate, which has inlet holes and outlet holes respectively disposed in communication with the air chambers, a control valve, which has air inlet flaps and outlet flaps corresponding to the inlet holes and the outlet holes, a top cap, which has air inlets and air outlets respectively corresponding to the air inlet flaps and the outlet flaps, and an exhaust hole. The airbags are moved to suck in air through the air inlets and to force air out of the exhaust hole.
- The aforesaid prior art air pump has a complicated structure formed of a big number of parts, the noise of air suck in and/or air exhaust out from the air pump too laud, resulting in an uncomfortable in use; further, the conventional air pump complicated installation procedure and high manufacturing cost.
- The present invention has been accomplished under the circumstances in view. It is one object of the present invention to provide an air pump, which has an air inlet structure for reducing the noise during an air sucking into the air pump. It is another objects of the present invention to provide an air pump, which has an air outlet structure for reducing the noise during an air exhausting out the air pump.
- To achieve these and other objects of the present invention, the air pump is coupled to a motor and adapted to pump air upon rotation of the motor. The air pump comprises a body; an airbag unit mounted in the body, the airbag unit comprising an airbag, the airbag having an air chamber; a lifting mechanism rotatable by the motor, the lifting mechanism having an arm connected to the airbag and adapted to move the airbag to pump air; and an air control unit coupled to the airbag unit, said air control unit comprising a partition plate having an inlet hole disposed in air communication with the air chamber of the airbag of the airbag unit, an air control valve having an inlet flap to control air into or stop out via said inlet hole of the partition plate, and a top cap having a cap body formed an exhaust hole, an air intake tunnel radially in communication between the inlet flap and an outer lateral peripheral of the cap body and opened an air intake opening.
-
FIG. 1 is an exploded view of an air pump in accordance with a preferred embodiment of the present invention. -
FIG. 2 is a plain view in an exploded status of the air pump according to the preferred embodiment of the present invention. -
FIG. 3 is a sectional view in an exploded status of a part of the air pump according to the preferred embodiment of the present invention. -
FIG. 4 is an exploded view of a part of the air pump according to the preferred embodiment of the present invention. -
FIG. 5 is another exploded view of a part of the air pump according to the preferred embodiment of the present invention. -
FIG. 6 is still another exploded view of a part of the air pump according to the preferred embodiment of the present invention. -
FIG. 7 is a top end assembly view of the air pump according to the preferred embodiment of the present invention. -
FIG. 8 is a sectional view taken along line 8-8 ofFIG. 7 . - Referring to
FIGS. 1˜6 , an air pump in accordance with a preferred embodiment of the present invention is shown movable with the shaft M2 of a motor M to pump air. - The air pump comprises a body formed of a
holder 10 and acover 20, anairbag unit 30, a lifting mechanism formed of acrank 40 and arotary member 50, and an air control unit formed of apartition plate 70 and anair control valve 80 and atop cap 90. - The
holder 10 is affixed to the motor M with two screw bolts B1, having aholder body 11 defining a receivingopen chamber 12, a throughhole 14 cut through the center of the bottom wall thereof in communication with the receivingopen chamber 12 for the passing of the shaft M2 of the motor M, and three mounting portions (mounting holes) 19. - The
cover 20 has acover body 21 covered on theholder body 11 of theholder 10 to close the receivingopen chamber 12, three mounting portions (mounting holes) 29 formed in thecover body 21 corresponding to themounting portions 19 of theholder 10, and three airbag receiving portions (airbag receiving holes) 23 formed in thecover body 21. - The
airbag unit 30 has amounting plate 31, and threeairbags 33 connected to themounting plate 31 and respectively received in theairbag receiving portion 23 of thecover 20. Eachairbag 33 has anair chamber 34, acoupling portion 35. - The
crank 40 has ashaft 41, which has anaxial hole 42, threearms 43 extended from theshaft 41 and respectively connected to thecoupling portions 35 of theairbags 33 of theairbag unit 30. Eacharm 43 has ahead 45 coupled to thecoupling hole 35 of oneairbag 33. - The
rotary member 50 has abase 51 connected to the shaft M2 of the motor M for rotation with the shaft M2, and anoblique shaft 53 obliquely extended from thebase 51 and coupled with asteel ball 55 to theaxial hole 42 of theshaft 41 of thecrank 40. - The
partition plate 70 has abody 71 connected to the top side of themounting plate 31 of theairbag unit 30, threeinlet holes 73 and threeoutlet holes 74 respectively disposed in air communication with theair chambers 34 of theairbags 33 of theairbag unit 30, and three mountingportions 79 respectively fastened to the mountingportions 29 of thecover 20. - The
air control valve 80 has avalve body 81 fastened to thepartition plate 70, threeinlet flaps 83 and threeoutlet flaps 84 respectively protruded from thevalve body 81 and adapted to close/open theinlet holes 73 andoutlet holes 74 of thepartition plate 70, and threemounting portions 89. - The
top cap 90 has acap body 91 mounted on theair control valve 80, achamber 92 defined in thecap body 91 corresponding to theoutlet flaps 84 of theair control valve 80, anexhaust barrel 93 formed anexhaust hole 94 in air communication with thechamber 92, threeair intake tunnel 95 of penetrating holes radially in communication between thechamber 92 and an outer lateral peripheral of thecap body 91 and opened anair intake opening 96, eachair intake tunnel 95 intake the air from thecorresponding inlet flap 83 individually, threeflap rooms 97, threeair outlet tunnels 98 formed of a continuous arched shape route in air communication with thechamber 92 andexhaust hole 94, eachoutlet tunnel 98 exhaust the air to theexhaust hole 94, and threemounting portions 99. - Further, three screw bolts B3 are inserted through the
mounting portions top cap 90,air control valve 80,partition plate 70 andcover 20 and fastened to the mountingportions 19 of theholder 10 to affix the related parts together. - Referring to
FIG. 5 , when the motor M is started to rotate therotary member 50, theoblique shaft 53 of therotary member 50 drives thecrank 40, causing thearms 43 of thecrank 40 to reciprocate theairbags 33 alternatively. - When one
airbag 33 is moved downwards, it breathes in air, and the associatingoutlet flap 84 is forced by the suction force to close the associatingoutlet hole 74 of thepartition plate 70, and at the same time the associatinginlet flap 83 curved apart the opening of theair intake tunnel 95 for allowing air to pass through the associatinginlet hole 73 into the associatingair chamber 34. - The
air intake opening 96 opened on the outer lateral peripheral of thecap body 91 capable of sucking more air at a predetermine time, and the elongatedair intake tunnel 95 let the air flow smooth; therefore, the air pump achieve reducing the air noise during air suck into the air pump. - On the contrary, when one
airbag 33 is moved upwards, the associatinginlet flap 83 is forced by air pressure to stop the wall of thechamber 92 and to further block the passage between theair intake tunnel 95 and the associatingair chamber 34, and at the same time the associatingoutlet flap 84 is forced by the air pressure to open the associatingoutlet hole 74 of thepartition plate 70 for enabling air to pass through theair outlet tunnel 98 of thetop cap 90 and thechamber 92 of thetop cap 90 to the outside via theexhaust hole 94. - Because the
air outlet tunnel 98 is formed of a continuous arched shape route, it reduce the air friction to the inner wall of theair outlet tunnel 98, therefore, the air pump achieve reducing the noise of the air flow during air exhaust out the air pump via going through theair outlet tunnels 98 of thetop cap 90. - In the aforesaid embodiment of the present invention, said top cap and partition plate can made integrally to less the assembly and reduce the cost; further, the inlet flap and outlet flap are individual for convenient replacement; further more, the top cap can further comprises a plurality of auxiliary intake holes in communication with said air intake tunnel to enabling more reduction or air noise during sucking air innerwards.
- As indicated above, the air pump of the present invention has the following benefits:
- 1. The air intake structure of the air pump capable of reducing the air noise during an air sucking into the air pump.
- 2. The air outlet structure of the air pump capable of reducing the air noise during an air exhausting out the air pump.
Claims (10)
1. An air pump coupled to a motor and adapted to pump air upon rotation of said motor, the air pump comprising:
a body;
an airbag unit mounted in said body, said airbag unit comprising an airbag, said airbag having an air chamber;
a lifting mechanism rotatable by said motor, said lifting mechanism having an arm connected to said airbag and adapted to move said airbag to pump air, and an air inlet in air communication with the air inlet of said airbag;
an air control unit coupled to said airbag unit, said air control unit comprising a partition plate having an inlet hole disposed in air communication with the air chamber of the airbag of the airbag unit, an air control valve having an inlet flap to control air into or stop out via said inlet hole of the partition plate, and a top cap having a cap body formed an exhaust hole, an air intake tunnel radially in communication between the inlet flap and an outer lateral peripheral of the cap body and opened an air intake opening.
2. The air pump as claimed in claim 1 , wherein said air intake tunnel of the top cap is formed of a penetrating hole.
3. The air pump as claimed in claim 1 , wherein said top cap further having a plurality of auxiliary intake holes in communication with said air intake tunnel.
4. The air pump as claimed in claim 1 , wherein said partition plate of the air control unit further having an outlet hole in air communication with said the air chambers of the airbag unit.
5. The air pump as claimed in claim 4 , wherein said air control valve further having an outlet flap for closing/opening the outlet hole of said partition plate of the air control unit.
6. The air pump as claimed in claim 5 , wherein said top cap of the air control unit further having a flap room for receiving said outlet flap of the air control valve.
7. The air pump as claimed in claim 1 , wherein said top cap further having an air outlet tunnel in air communication between said chamber and exhaust hole.
8. The air pump as claimed in claim 7 , wherein said outlet tunnel of the top cap is formed of a continuous arched shape route.
9. The air pump as claimed in claim 1 , wherein said top cap further having a chamber concaved from a bottom of the cap body, said chamber being provided receiving of the air control valve.
10. The air pump as claimed in claim 1 , wherein said top cap and partition plate are made integrally.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW095200404U TWM292016U (en) | 2006-01-06 | 2006-01-06 | Air pump with reduced sound produced during air passage |
TW95200404 | 2006-01-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
US20070160485A1 true US20070160485A1 (en) | 2007-07-12 |
Family
ID=37615132
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/642,776 Abandoned US20070160485A1 (en) | 2006-01-06 | 2006-12-21 | Air pump with air noise reduction structure |
Country Status (5)
Country | Link |
---|---|
US (1) | US20070160485A1 (en) |
DE (2) | DE102006061039A1 (en) |
FR (1) | FR2897906A1 (en) |
GB (1) | GB2433966A (en) |
TW (1) | TWM292016U (en) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070140879A1 (en) * | 2005-12-16 | 2007-06-21 | Tricore Corporation | Air pump with improved air intake control structure |
US20120315166A1 (en) * | 2011-06-10 | 2012-12-13 | Wan Hor Looi | Diaphragm pump |
WO2013029532A1 (en) * | 2011-08-29 | 2013-03-07 | 厦门科际精密器材有限公司 | Fluid-guiding device capable of controlling air flow for micro pump |
US20140099222A1 (en) * | 2012-10-10 | 2014-04-10 | Tricore Corporation | Highly airtight gas pump |
WO2016037492A1 (en) * | 2014-09-12 | 2016-03-17 | 厦门科际精密器材有限公司 | Air pump |
WO2016037491A1 (en) * | 2014-09-12 | 2016-03-17 | 厦门科际精密器材有限公司 | Air pump |
CN105464935A (en) * | 2014-09-12 | 2016-04-06 | 厦门科际精密器材有限公司 | Air pump |
CN105464934A (en) * | 2014-09-12 | 2016-04-06 | 厦门科际精密器材有限公司 | Air pump |
CN105986991A (en) * | 2015-02-13 | 2016-10-05 | 科际精密股份有限公司 | Micro pump |
WO2018051261A1 (en) * | 2016-09-14 | 2018-03-22 | Kavan Novin Energy Paydar Group | A multistage compressor |
US10704545B2 (en) * | 2017-11-28 | 2020-07-07 | Guangdong Travelmall Health Technology Co., Ltd. | Electric inflator |
US10794375B2 (en) | 2015-05-05 | 2020-10-06 | Parker-Hannifin Corporation | Miniature vacuum/pressure diaphragm pumps with noise mitigation boot |
RU2791010C1 (en) * | 2019-08-12 | 2023-03-01 | Сяовэй (Шанхай) Байотекнолоджи Ко., Лтд | Integrated diaphragm pump |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016037493A1 (en) * | 2014-09-12 | 2016-03-17 | 厦门科际精密器材有限公司 | Air pump |
CN108119346B (en) * | 2017-12-19 | 2024-02-02 | 深圳市时光电子有限公司 | Low noise air pump |
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DE4026670C2 (en) * | 1990-08-23 | 1995-06-22 | Alcatel Hochvakuumtechnik Gmbh | Mechanical vacuum pump |
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-
2006
- 2006-01-06 TW TW095200404U patent/TWM292016U/en not_active IP Right Cessation
- 2006-12-21 US US11/642,776 patent/US20070160485A1/en not_active Abandoned
- 2006-12-22 GB GB0625866A patent/GB2433966A/en not_active Withdrawn
- 2006-12-22 DE DE102006061039A patent/DE102006061039A1/en not_active Ceased
-
2007
- 2007-01-03 DE DE202007000117U patent/DE202007000117U1/en not_active Expired - Lifetime
- 2007-01-04 FR FR0752520A patent/FR2897906A1/en active Pending
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US4608000A (en) * | 1983-12-29 | 1986-08-26 | Kabushiki Kaisha Tominaga Jyushikogyosho | Air pump |
US4801249A (en) * | 1986-06-09 | 1989-01-31 | Ohken Seiko Co., Ltd. | Small-sized pump |
US5556260A (en) * | 1993-04-30 | 1996-09-17 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Multiple-cylinder piston type refrigerant compressor |
US6592339B1 (en) * | 1998-07-08 | 2003-07-15 | Citizen Watch Co., Ltd. | Small pump device and sphygmomanometer using the pump device |
US6390786B1 (en) * | 1999-07-28 | 2002-05-21 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Structure for damping pressure pulsations of compressor |
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070140879A1 (en) * | 2005-12-16 | 2007-06-21 | Tricore Corporation | Air pump with improved air intake control structure |
US7819636B2 (en) * | 2005-12-16 | 2010-10-26 | Tricore Corporation | Air pump with improved air intake control structure |
US20120315166A1 (en) * | 2011-06-10 | 2012-12-13 | Wan Hor Looi | Diaphragm pump |
US9217425B2 (en) * | 2011-06-10 | 2015-12-22 | Johnson Electric S.A. | Diaphragm pump with inlet pathways passing through mounting holes |
WO2013029532A1 (en) * | 2011-08-29 | 2013-03-07 | 厦门科际精密器材有限公司 | Fluid-guiding device capable of controlling air flow for micro pump |
US20140099222A1 (en) * | 2012-10-10 | 2014-04-10 | Tricore Corporation | Highly airtight gas pump |
US9194389B2 (en) * | 2012-10-10 | 2015-11-24 | Tricore Corporation | Highly airtight gas pump |
WO2016037491A1 (en) * | 2014-09-12 | 2016-03-17 | 厦门科际精密器材有限公司 | Air pump |
WO2016037492A1 (en) * | 2014-09-12 | 2016-03-17 | 厦门科际精密器材有限公司 | Air pump |
CN105464935A (en) * | 2014-09-12 | 2016-04-06 | 厦门科际精密器材有限公司 | Air pump |
CN105464934A (en) * | 2014-09-12 | 2016-04-06 | 厦门科际精密器材有限公司 | Air pump |
JP2017531124A (en) * | 2014-09-12 | 2017-10-19 | 廈門科際精密器材有限公司 | air pump |
CN105986991A (en) * | 2015-02-13 | 2016-10-05 | 科际精密股份有限公司 | Micro pump |
US10794375B2 (en) | 2015-05-05 | 2020-10-06 | Parker-Hannifin Corporation | Miniature vacuum/pressure diaphragm pumps with noise mitigation boot |
WO2018051261A1 (en) * | 2016-09-14 | 2018-03-22 | Kavan Novin Energy Paydar Group | A multistage compressor |
US10704545B2 (en) * | 2017-11-28 | 2020-07-07 | Guangdong Travelmall Health Technology Co., Ltd. | Electric inflator |
RU2791010C1 (en) * | 2019-08-12 | 2023-03-01 | Сяовэй (Шанхай) Байотекнолоджи Ко., Лтд | Integrated diaphragm pump |
Also Published As
Publication number | Publication date |
---|---|
TWM292016U (en) | 2006-06-11 |
DE202007000117U1 (en) | 2007-05-16 |
GB0625866D0 (en) | 2007-02-07 |
DE102006061039A1 (en) | 2007-08-02 |
GB2433966A (en) | 2007-07-11 |
FR2897906A1 (en) | 2007-08-31 |
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Owner name: TRICORE CORPORATION, TAIWAN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:HUANG, T. C.;REEL/FRAME:018735/0421 Effective date: 20061212 |
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STCB | Information on status: application discontinuation |
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