Patent · US Expired

Supply device

US7785086B2 · kind B2 · utility

3Cited by
11References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 23, 2003
Grant dateAug 31, 2010
Priority date
Expiry dateApr 17, 2026

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/7559
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

The invention relates to a supply device for the supply of pressure fluid into at least one vehicle brake or into a pressure fluid accumulator, wherein a piston is movably arranged in an accommodating member, a carrier bears a non-return valve arranged coaxially to the piston for the purpose of ventilating a working chamber into which the piston plunges , and wherein a resetting spring is arranged between the carrier and the piston.It is the essence of the invention that a multi-piece cage allows inserting the resetting Spring into the cage parts, the cage parts comprise fastening means that lock the cage due to relative displacement of the cage parts, and the resetting spring is caged and simultaneously elastically preloaded under the relative displacement of the cage parts.

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