Patent · US Expired

Time control device for water conditioning apparatus

US4919314A · kind A · utility

36Cited by
6References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 6, 1988
Grant dateApr 24, 1990
Priority date
Expiry dateSep 6, 2008

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/86405
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

A time control device provided in a water conditioning apparatus, and including a control mechanism, a main shaft, a main wheel rotating about the axis of the main shaft at a constant speed, and a skipper wheel rotating about the axis of the main shaft and rotated by the main wheel through a predetermined angle. The control mechanism controls a flow of liquid in the apparatus in accordance with a rotation of the main shaft, to carry out a liquid treatment. A pin engageable with a projection cam formed on a housing is provided at the main wheel to rotate the skipper wheel through the predetermined angle, and a finger member is provided on the skipper wheel to transmit the predetermined angle rotation to the main shaft, so that the main shaft drives the control mechanism to control the flow.

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