The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 30, 1989
Filed:
Feb. 12, 1988
Applicant:
Inventor:
Royston J North, Cheltenham, GB;
Assignee:
Caradon Mira Limited, Gloucestershire, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05D / ;
U.S. Cl.
CPC ...
137100 ; 261 643 ; 261D / ;
Abstract
A steam and water mixing valve having a permanently open fluid connection between a water inlet chamber and a mixing chamber and valve means for controlling the flow of steam from a steam inlet chamber to the mixing chamber wherein the valve means is responsive to pressure differentials between the water inlet chamber and a control chamber each connected to a water inlet whereby the valve means is closed in the absence of water flow or at low pressure differentials.