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
Image forming apparatus
Method and apparatus for detecting an intermittent path to a storage system
Financial transaction cards
Isolated nucleic acid molecule encoding an antibody that reduces GDF-8 activity
Method of enhancing corrosion resistance of hollow vessels
  Randomly Featured Patents
Electronic device and method for manufacturing electronic device
Fused azole-pyrimidine derivatives
Boat running light
Wireless communication terminal and method for displaying image data
Analog-to-digital converter (ADC) and comparator unit thereof
Method of making buns or like products produced from dough
Techniques for use with computerized games having cards
Automotive electrical connection box and method of assembling thereof
Ink jet recording head and apparatus in which recording is controlled in accordance with calculations involving a measured resistance
Method and composition for vitamin B-12 Assay