Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Piezoelectric pump assembly










Image Number 11 for United States Patent #4983876.

A piezoelectric diaphragm pump assembly is disclosed, wherein there is disposed a housing having an inlet port provided with a feed check valve, and an outlet port provided with a discharge check valve, wherein a casing is disposed for accomodating an amplification mechanism, said casing having an L-shape stationary member, to which a plate spring is fixed, a front end portion of the plate spring being fixed with a lever member of the amplification mechanism, which is engaged with an upper portion of a longitudinally effective type piezoelectric actuator, and wherein a diaphragm body coated with a film is disposed, characterized in that a front end portion of the lever member is fixed with a supporting member which is, in turn, fixed with a U-shape supporting member for supporting the diaphragm body, and that the supporting member is connected via a spring to the L-shape stationary member.








 
 
  Recently Added Patents
MRAM with sidewall protection and method of fabrication
Wrench head
Method of making a low-Rdson vertical power MOSFET device
Stereoscopic display
Ice data collection system
Secondary battery pack including insulative mounting member into which PCM is inserted in lateral direction
Toilet
  Randomly Featured Patents
Optical image measurement device
Deodorizer
Sealing arrangement and wet-running double-clutch arrangement having a sealing arrangement
Resin-impregnated fibre composite materials and a process for their manufacture
Process for producing furan-epoxy powder-like binder
Method for separating disparate components in a fluid stream
Alloy sheet for shadow mask
Adjustable hinge and installation method for inset doors
Connector for wiring in a vehicle
Method of forming a power supply controller and device therefor