Engine mount with hydraulic damping

US4757982A · kind A · utility

Assignee

• Metzeler Kautschuk GmbH · DE

Inventors

• Rainer Andra · Limburg, DE
• Manfred Hofmann · Hettstadt, DE

Key dates

• Filing date: Nov 29, 1985
• Grant date: Jul 19, 1988
• Expiry date: Nov 29, 2005

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F16F13/22
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

An engine mount with hydraulic damping, includes at least one fluid-filled working chamber having a substantially conical shell-shaped rubber-elastic peripheral wall serving as a support spring, a support ring being connected to the peripheral wall and having an upper surface, a thrust element with adjustable radial stiffness in the form of a holding plate vulcanized to the upper surface of the support ring and closing the working chamber along with the support ring, the holding plate having a central cylindrical portion projecting freely into the working chamber and having an inner surface, a bell-shaped expanded ring projecting from the inner surface on the cylindrical portion toward the peripheral wall and having a free end, and a rubber-elastic membrane closing the free end of the expanded ring enclosing a volume of air.