Spring devices – Resilient shock or vibration absorber – Including energy absorbing means or feature
Patent
1986-11-24
1988-12-13
Butler, Douglas C.
Spring devices
Resilient shock or vibration absorber
Including energy absorbing means or feature
188298, 248562, 248636, 267 35, 267122, 2671405, 2671412, 2671413, 2671416, 267152, 267219, 267292, 280716, 384222, F16M 100, F16F 700, F16F 910
Patent
active
047905204
ABSTRACT:
A vibration insulating device to be installed between two members of a vibration system of an automotive vehicle. The device consists of an annular elastic member disposed between coaxial inner and outer cylindrical members and located coaxial with the outer cylindrical member. The elastic member is formed at its outer peripheral surface with a deep annular groove coaxial with the outer cylindrical member which groove is covered with the outer cylindrical member to define an annular hollow chamber. A generally cylindrical flexible diaphragm member is secured between the outer cylindrical member and the elastic member in such a manner that its central annular section divides the hollow chamber into a radially outward gas chamber and a radially inward liquid chamber, thereby effectively absorbing even high frequency small amplitude vibration transmitted to the device under deformation of the flexible diaphragm member.
REFERENCES:
patent: 4342446 (1982-08-01), Eaton et al.
patent: 4588174 (1986-05-01), Konishi
patent: 4605207 (1986-08-01), Konishi
patent: 4630806 (1986-12-01), Dan et al.
patent: 4690389 (1987-09-01), West
patent: 4693456 (1987-09-01), Kanda
Noguchi Takeshi
Okubo Takao
Tanaka Atsuo
Ushijima Takao
Bridgestone Corporation
Butler Douglas C.
Nissan Motor Co,. Ltd.
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