Method of manufacturing fluid-filled elastic mount having fluid

Details Method of manufacturing fluid-filled elastic mount having fluid Method of manufacturing fluid-filled elastic mount having fluid

1990-11-02

1992-09-08

Peters, Jr., Joseph F.

Spring devices

Resilient shock or vibration absorber

Including energy absorbing means or feature

267292, 267219, 267141, 267136, F16M 100, F16M 700, B60G 1300, F16F 900

Patent

active

051451557

ABSTRACT:
A method of manufacturing a fluid-filled elastic mount which includes an electric body flexibly connecting an inner and an outer sleeve, means for defining a pressure-receiving chamber and an equilibrium chamber which are filled with a non-compressible fluid, and means for defining an orifice passage for fluid connection between the two chambers, the equilibrium chamber being defined partially by a rigid member and partially by a flexible diaphragm which permits volumetric changes of he equilibrium chamber. The present method includes the steps of: (a) preparing a mount body having the pressure-receiving and equilibrium chambers and orifice passage; (b) forming at least one injection hole through the rigid member partially defining the equilibrium chamber, such that the injection hole or hole is/are open on an outer surface of the elastic mount other than an outer circumferential surface of the outer sleeve; (c) injecting the non-compressible fluid through the injection hole(s), into the equilibrium and pressure-receiving chambers and the orifice passage; and (d) fluid-tightly closing the injection hole(s) upon completion of filling of the equilibrium and pressure-receiving chambers and orifice passage.

REFERENCES:
patent: 4690389 (1987-09-01), West
patent: 4779853 (1988-10-01), Sugino et al.
patent: 4854561 (1989-08-01), Kanda

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