Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Bidirectional check valve










Image Number 5 for United States Patent #6328052.

A valve for controlling fluid flow while permitting flow in only one direction includes a housing having a spherical central opening and connections to permit attachment to fluid flow lines at opposite ends of the housing. The spherical opening is configured to permit fluid flow through the housing. A spherical member is adapted to fit within the spherical central opening of the housing. The spherical member has an opening bored through its center and may be aligned with the housing connections to allow fluid communication between them and positioned perpendicular to the housing connections to prevent fluid communication between them. A rotation member is provided to operate in conjunction with the spherical member to rotate the spherical member within the housing. A closing member is mounted within the spherical member, and is sized to close off the opening bored through the center of the spherical member for one direction of fluid flow. A mounting member is used for connecting the closing member to the spherical member whereby the closing member normally blocks fluid flow through the opening bored through the spherical member in only one direction and opens to fluid flow in the other direction.








 
 
  Recently Added Patents
Coating composition, and a process for producing the same
Adjustable voltage regulator with dynamic voltage compensation
Method and device for surface scanning of a patient
In-vehicle electronic control apparatus having monitoring control circuit
System and method for providing radio communication in a land mobile radio system
Wine cellar alarm system
Tap initialization of equalizer based on estimated channel impulse response
  Randomly Featured Patents
Cosmetic/pharmaceutical compositions comprising .beta.-adrenergic agonists/substance P antagonists
Acylacetonitriles, process for preparation thereof and miticides containing the same
Method and means for treating foundry sands and the like
Alkane oxidation catalysts
Golf putter head
Digital optical receiver with instantaneous Josephson clock recovery circuit
Method for producing cerium oxide, cerium oxide abrasive, method for polishing substrate using the same and method for manufacturing semiconductor device
Method and apparatus for controlling reduction ratio of continuously variable transmission with accelerator pedal displacement speed compensation
Magnetic parallel-to-serial converter for gas turbine engine parameter sensor
Method and apparatus for fluid sampling and testing