Patent · US Expired

Mixing valve with agitation chamber and helical fluid supply passages

US6830368B2 · kind B2 · utility

21Cited by
19References
31Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 9, 2002
Grant dateDec 14, 2004
Priority date
Expiry dateSep 30, 2022

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01F25/43141
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A mixing valve comprises a valve body and a plurality of helical members. An agitation chamber is formed in the valve body. The plurality of helical members are disposed substantially in parallel in the valve body and have a number corresponding to a number of fluid supply ports. The plurality of helical members have helical passages on their outer circumferential surfaces and have ends facing the agitation chamber. Fluids are supplied from the fluid supply ports and pass through the helical passages.

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