Resources Contact Us Home
Multifunction valve for use in a hydraulic component

Image Number 5 for United States Patent #7451780.

A valve apparatus is disclosed for use in regulating the flow of fluid between a closed hydraulic loop and a fluid source in a hydraulic circuit, where the valve apparatus provides up to four different functions including a check valve, a neutral valve, a relief valve and a pressure rise rate valve. The apparatus includes a valve seat for selectively permitting fluid communication between the closed hydraulic loop and the fluid source, a sleeve member and a relief poppet in the valve seat, a relief compression spring inside the sleeve and positioned adjacent the relief poppet and the base of the slidable member, a valve guide and an accumulator piston slidably mounted within the valve guide to define an accumulator volume therein.

  Recently Added Patents
Photoelectric conversion module
Providing a web page to a client
Methods and systems for managing electronic messages
Vapor phase decarbonylation process
Method, system, and computer program product for scoring theoretical peptides
Semiconductor process
Adaptive input interface
  Randomly Featured Patents
Tension free pelvic floor repair
Radiation camera with high spatial, temporal, and energy resolution
Passive shoulder belt
Mechanical apparatus and method for dilating and delivering a therapeutic agent to a site of treatment
System and method for processing biological fluid
Flash apparatus and imaging apparatus
Bit line pre-charge circuit of semiconductor memory device
Machine for fitting and removing vehicle wheel tires
Soybean variety D5245143