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, 1988
Filed:
Jul. 09, 1987
Applicant:
Inventors:
Seiji Sugiyama, Kariya, JP;
Yoichiro Kashiwagi, Kariya, JP;
Hiroya Kono, Kariya, JP;
Kazuhito Sakashita, Uji, JP;
Assignee:
Kabushiki Kaisha Toyoda Jidoshokki Seisakusho, Kariya, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K / ; F04B / ; G01R / ;
U.S. Cl.
CPC ...
310168 ; 622285 ; 310208 ; 336184 ; 336234 ; 417222 ;
Abstract
A rotation detecting apparatus disposed on the outer periphery of a compressor including an airtight casing containing a rotor. The rotation detecting apparatus is constituted by plural magnetism detecting elements attached to the outer periphery of the airtight casing of the compressor in correspondence with a rotational orbit of a magnet disposed on the rotor within the airtight casing, such plural magnetism detecting elements each having a core made up of at least one amorphous alloy wire and a coil wound around the outer periphery of the core.