Patent · US Active

Air spring having hybrid bellows

US9512895B2 · kind B2 · utility

2Cited by
9References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 3, 2012
Grant dateDec 6, 2016
Priority date
Expiry dateJun 14, 2032

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16F9/0445
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

An air spring assembly for a motor vehicle, including an air spring, a rolling piston, a tubular rolling air spring bellows arranged concentrically about a central longitudinal axis of the air spring, and an air spring cover. A first partial air spring bellows has a first embedded textile reinforcement and a second partial air spring bellows has a second embedded textile reinforcement The first textile reinforcement has first reinforcing threads, the preferred axis of which extends parallel or nearly parallel to the axis of the central longitudinal axis of the air spring The second textile reinforcement has second reinforcing threads, the first preferred axis of which extends obliquely to the longitudinal axis of the air spring and the second preferred axis of which extends obliquely to the longitudinal axis of the air spring, wherein the first and the second preferred axis are at an angle to each other.

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