Patent · US Expired

Fluid level indicator

US4489224A · kind A · utility

4Cited by
3References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 1, 1983
Grant dateDec 18, 1984
Priority date
Expiry dateApr 1, 2003

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60T17/225
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A fluid level indicator is provided for a master cylinder to generate a signal in response to the fluid level reaching a predetermined level. The fluid level indicator includes a carrier assembly for holding a magnet and moving the same within a master cylinder reservoir. A reed switch is activated by the magnet in a given position.

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