Patent · US Expired

Flow dividing valve

US4570668A · kind A · utility

14Cited by
2References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 16, 1984
Grant dateFeb 18, 1986
Priority date
Expiry dateJan 16, 2004

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/7931
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A flow dividing valve wherein an outer sleeve (26) is maintained in a valve body (10) and has a primary flow valve seat (32). An inner valve sleeve (50) that is slidably maintained in outer sleeve (26) has an end face (51) that cooperates with the valve seat (32) to control primary flow. A valve spool (74) that is slidably maintained in inner valve sleeve (50) cooperates with a secondary flow valve seat (70) of inner valve sleeve (50) to control secondary flow.

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