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. 25, 1976
Filed:
Nov. 25, 1974
Applicant:
Inventors:
Assignee:
Sinko Kogyo Co., Ltd., Osaka, JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05D / ;
U.S. Cl.
CPC ...
138 46 ; 137504 ; 1375563 ;
Abstract
The present invention relates to automatic control devices generally for the purpose, in the terminal equipment of an air-conditioning system which blows conditioned air, flowing thereinto through the duct from the central air conditioner, out into the room, of keeping the rate of flow at a certain fixed level. More specifically, the present invention relates to a new and improved type of automatic control device which is worked in a stabilized condition at as low wind pressure as possible and which is capable of blowing air out always at a certain prefixed rate of flow irrespective of fluctuations of the pressure inside the duct.