Resources Contact Us Home
Nonreturn valve for a shock absorber

Image Number 5 for United States Patent #7766137.

Shock absorber provided with a piston and a cylinder, both secured to a part of a vehicle. A nonreturn valve is present in either the piston or the base of the cylinder. The nonreturn valve includes a valve plate and a valve seat plate, both annular. Near the center, the valve plate is arranged at a distance from the valve seat plate. At low flow velocity, elasticity of the valve plate keeps it at a distance from the valve seat plate, allowing unimpeded flow. As flow increases, the valve plate deforms elastically, gradually closing off a diametral opening in the valve seat plate. An opening remains between the valve plate and the valve seat plate at the spacer. As the pressure difference across the nonreturn valve increases, the valve plate closes off with respect to the valve seat plate over the entire circumference. This movement takes place as a wave.

  Recently Added Patents
Native NAD-dependent GAPDH replaced with NADP-dependent GAPDH plus NADK
Carbon blacks having low PAH amounts and methods of making same
Asynchronous distributed de-duplication for replicated content addressable storage clusters
Vehicle-mounted camera stabilized passively by vibration isolators
Server providing pseudo print preview and final regular preview to device
Shoe bag
Method and system for utilizing Perovskite material for charge storage and as a dielectric
  Randomly Featured Patents
Board game
Pendant oxime polymers and photographic use thereof
Combined use of cell permeable Nanog and Oct4 for increasing self-renewal and suppressing differentiation of stem cells
Sound insulating vehicle body part
Adjustable cheek piece for a firearm butt stock
SORFC system with non-noble metal electrode compositions
Osmotic device for delayed delivery of agent
Barbeque and patio table combination
Soybean cultivar 03022253
Massaging apparatus