F - Mech Eng,Light,Heat,Weapons – 16 – F
Patent
F - Mech Eng,Light,Heat,Weapons
16
F
F16F 9/50 (2006.01) B60G 17/00 (2006.01) B60G 17/08 (2006.01) F16F 9/32 (2006.01) F16F 9/42 (2006.01) F16F 9/46 (2006.01)
Patent
CA 2051058
A monoflow shock absorber (30) is provided with a blow off valve (104) which provides the principal flow restriction during both extension and compression of the shock absorber (30). The force biasing the blow off valve (104) closed is controlled by a control piston (124) which is connected to the blow off valve plate (104) by a rigid, solid rod (108). The piston (124) responds to a pressurized control fluid, the pressure of which is selected by a high speed pressure regulating device such as a servo valve (20). This system provides high speed adjustment of the damping force of the shock absorber (30), substantially independently of the stroking speed of the shock absorber (30). The shock absorber (30) includes a cylinder (40) in which a working piston (58) moves, and the cylinder (40) is closed at one end with an inner cylinder head assembly (44) made up of a body (46) and a cap (48), which define a manifold (56) therebetween. An external heat exchanger (160) is coupled to the base of the shock absorber (30) to receive working hydraulic fluid which is passed through the blow off valve (104), and to return the working hydraulic fluid to the shock absorber (30) after passage through the heat exchanger (160).
Furrer Fredrick J.
Lemme Charles D.
Cassan Maclean
Hyrad Corporation
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