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Class Information
Number: 417/395
Name: Pumps > Motor driven > Fluid motor > Common pumping and motor working member > Collapsible common member > Diaphragm
Description: Apparatus in which the deformable member comprises a relatively thin membrane like element having a peripheral edge portion, said member being adapted to be associated with a surrounding or encompassing tubular rigid chamber forming means and extending transversely thereof to form a separating wall for dividing said chamber into respective motor and pump chambers, the outer peripheral edge of said membrane being in sealing relationship with the encompassing wall of said tubular structure.










Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
8678787 Piezoelectric micro-blower Mar. 25, 2014
8672645 Separation type pneumatic dual partition membrane pump and external pneumatic control valve thereof Mar. 18, 2014
8646482 Microfluidic pump and valve structures and fabrication methods Feb. 11, 2014
8608460 Method and apparatus for increasing compressed air efficiency in a pump Dec. 17, 2013
8596648 Pump for vehicle suspension system Dec. 3, 2013
8556597 Metering unit Oct. 15, 2013
8545195 Hydrogen generator with pump Oct. 1, 2013
8535020 Microfluidic pump and valve structures and fabrication methods Sep. 17, 2013
8535021 Precision pump with multiple heads Sep. 17, 2013
8499794 Liquid channel device and production method therefor Aug. 6, 2013
8496451 Pump diaphragm Jul. 30, 2013
8485792 Method for increasing compressed air efficiency in a pump Jul. 16, 2013
8485793 Chip scale vacuum pump Jul. 16, 2013
8469680 Valve body for pumps Jun. 25, 2013
8469681 Double-diaphragm pumps Jun. 25, 2013
8454324 Pump Jun. 4, 2013
8449273 Fluid transporting device using conductive polymer May. 28, 2013
8449267 Pump assembly and fluid metering unit May. 28, 2013
8449265 Hydraulically actuated reciprocating pump May. 28, 2013
8425208 Air operated diaphragm pump with electric generator Apr. 23, 2013
8360750 Pump device Jan. 29, 2013
8322435 Pressure driven system Dec. 4, 2012
8317492 Pumping cassette Nov. 27, 2012
8317493 Precision pump having multiple heads and using an actuation fluid to pump one or more different process fluids Nov. 27, 2012
8313313 Pumping device Nov. 20, 2012
8292594 Fluid pumping systems, devices and methods Oct. 23, 2012
8292600 Control system for an air operated diaphragm pump Oct. 23, 2012
8282360 Pneumatically operated reciprocating pump Oct. 9, 2012
8262366 Piston systems having a flow path between piston chambers, pumps including a flow path between piston chambers, and methods of driving pumps Sep. 11, 2012
8226381 Check valve having integrally formed seat and seal body Jul. 24, 2012
8197231 Diaphragm pump and related methods Jun. 12, 2012
8196667 Submersible pumping system Jun. 12, 2012
8167586 Valve assembly with low resistance pilot shifting May. 1, 2012
8141792 Pressure controller, valve having pressure controller, and fuel cell equipped with valve having pressure controller Mar. 27, 2012
8123500 Diaphragm pump Feb. 28, 2012
8096785 Hydraulically driven multicylinder pumping machine Jan. 17, 2012
8062007 Fluid transporting device using conductive polymer Nov. 22, 2011
8057423 Dialysis system having disposable cassette Nov. 15, 2011
8047815 Precision pump with multiple heads Nov. 1, 2011
8047814 Chemical liquid supplying apparatus Nov. 1, 2011
8020624 Submersible pumping system Sep. 20, 2011
7988429 Chemical liquid supply system Aug. 2, 2011
7942647 Pump for supplying chemical liquids May. 17, 2011
7905172 Laminate membrane Mar. 15, 2011
7866953 Fluid pump Jan. 11, 2011
7841842 Chemical liquid supplying apparatus Nov. 30, 2010
7832429 Microfluidic pump and valve structures and fabrication methods Nov. 16, 2010
7811318 Apparatus and method for pneumatically driving an implantable medical device Oct. 12, 2010
7811067 Air driven pump with performance control Oct. 12, 2010
7758321 Pump apparatus Jul. 20, 2010

1 2 3 4 5 6 7 8










 
 
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