Patent · US Expired

Water closet flushing apparatus

US5259073A · kind A · utility

6Cited by
3References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 31, 1992
Grant dateNov 9, 1993
Priority date
Expiry dateJul 31, 2012

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE03D5/10
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A water closet flushing apparatus provided with a pressure detector mounted along a water supply pipe, an opening and closing apparatus to open and close a water supply passage provided along the water supply pipe and a control apparatus that uses the pressure detected by the pressure detector to control the opening and closing operation of the opening and closing apparatus so that a predetermined amount of water is supplied to the water closet.

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