Patent · US Expired

Liquid level control device

US4484601A · kind A · utility

11Cited by
7References
16Claims
0Family size

Inventor

Key dates

Filing dateAug 2, 1982
Grant dateNov 27, 1984
Priority date
Expiry dateAug 2, 2002

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/731
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A liquid level control device for controlling the flow of liquid into a reservoir, storage tank or the like, incorporating automatic shut-off characteristics. The device includes nozzle means including a fluid amplifier for automatically closing valve means in response to sensing means disposed remote from the nozzle means and fluid amplifier. The remote sensing means is responsive to the static presence of the interface at a sensing level of liquid in the reservoir.

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