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:
Sep. 24, 1991
Filed:
Apr. 28, 1989
Katsumi Iida, Konan, JP;
Diesel Kiki Co., Ltd., Tokyo, JP;
Abstract
In a control apparatus for automobile air-conditioner of the type wherein the air blow-off mode is determined based on the opening of an air-mix door and the substantial temperature of an evaporator for actuating a mode door, the improvement which includes a judgment circuit for making a determination as to whether or not the outside air temperature is lower than a predetermined value in a heat mode operation and whether or not a defrosting operation is needed, and a bleed determination circuit for determining the amount of air bleed needed to be provided to a defrost outlet based on the result of the determination of the judgment circuit and the temperature of an upper part of the vehicle compartment. With this arrangement, the amount of air bleed provided to the defrost outlet can be varied continuously in accordance with the upper-part temperature in a range of between the heat mode and a defrost/heat mode.