Patent · US Expired

Two chamber engine mount with hydraulic damping

US4676489A · kind A · utility

13Cited by

3References

5Claims

0Family size

Assignee

Metzeler Kautschuk GmbH · DE

Inventors

Manfred Hofmann · Hettstadt, DE
Hans-Gunther Muller · Würzburg, DE

Key dates

Filing date	Jan 28, 1985
Grant date	Jun 30, 1987
Priority date	—
Expiry date	Jan 28, 2005

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16F13/107
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

1A two chamber engine mount with hydraulic damping includes a housing having rubber-elastic walls, an intermediate plate disposed in the housing between the walls dividing the housing into fluid-filled chambers, the intermediate plate having a substantially spiral-shaped canal formed therein interconnecting the chambers, the canal having a length being a multiple of the diameter thereof, and the intermediate plate having at least one orifice vertically formed therethrough being hydraulically parallel with the canal.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.