Patent · US Expired

Vehicle especially motor vehicle with operationally conditioned vacuum loads and comfort vacuum loads

US4121613A · kind A · utility

1Cited by
2References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 14, 1977
Grant dateOct 24, 1978
Priority date
Expiry dateApr 14, 1997

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/87861
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A vehicle with operationally conditioned vacuum loads and comfort vacuum loads, in which a central distributor box is provided that is equipped with a feed connection to connect a distributor chamber with a vacuum source; at least two load chambers are also provided in the distributor box, whereby each load chamber is connected with the distributor chamber by way of a protective valve opening in the direction to the distributor chamber against a spring force, and with a load connection which is in communication with a test connection that opens into the atmosphere after overcoming a spring-loaded valve.

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