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:
Dec. 20, 1983
Filed:
Mar. 15, 1979
Applicant:
Inventor:
Gideon Shavit, Highland Park, IL (US);
Assignee:
Honeywell Inc., Minneapolis, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05D / ;
U.S. Cl.
CPC ...
236 82 ; 236 87 ; 137 84 ;
Abstract
A pneumatic subbase for modifying the operation of a pneumatic thermostat is disclosed having a first nozzle to be connected to a source of main pressure, a second nozzle for supplying branch output pressure to the device being controlled, a third nozzle connected through the subbase to the first nozzle for supplying main pressure to a thermostat and a fourth nozzle connected to receive the output from the thermostat, the subbase having a dwell relay therein for providing a dwell in the branch output pressure of the second nozzle as a function of the pressure received from the thermostat at the fourth nozzle.