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:
Nov. 08, 2016
Filed:
Mar. 06, 2015
Jtekt Corporation, Osaka-shi, Osaka, JP;
Masahiro Hayakawa, Okazaki, JP;
Tsutomu Matsumoto, Anjo, JP;
JTEKT CORPORATION, Osaka, JP;
Abstract
A control device for an electromagnetic clutch includes: a first switch that is connected to one end of an electromagnetic coil forming the electromagnetic clutch; a second switch that is connected to the other end of the electromagnetic coil; and a microcomputer that controls an on/off state of both switches. The control device further includes: a first diode having its anode terminal connected between the electromagnetic coil and the first switch and its cathode terminal connected between the second switch and an in-vehicle power source; and a second diode having its anode terminal connected to the ground and its cathode terminal connected between the electromagnetic coil and the second switch. The microcomputer stops power supply to the electromagnetic coil by turning off both switches.