Temperature compensated rotary damper

Details Temperature compensated rotary damper Temperature compensated rotary damper

1992-03-10

1993-05-18

Bonck, Rodney H.

Brakes

Internal-resistance motion retarder

With means compensating for change in temperature or viscosity

16 82, 188290, 192 82T, F16F 952, F16D 5700

Patent

active

052112675

ABSTRACT:
A temperature compensated fluid filled damper is provided which in a preferred embodiment is a rotary damper which includes a housing for receiving a rotor having a surface for engaging a viscous fluid sealed within the housing. The housing includes a temperature compensating member positioned adjacent the rotor surface and which is made of a material which has a coefficient of thermal expansion different than that of the rotor to provide a varying gap width between the surface of the rotor and the temperature compensating member such that as the temperature changes the drag provided to the rotor by the gap change varies inversely to the drag provided by the viscous fluid.

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