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. 11, 2001
Filed:
Sep. 16, 1999
Koyo Seiko Co., Ltd., Osaka, JP;
Abstract
The present invention provides an electric pump apparatus which can be assembled easily by providing a groove having a shape corresponding to that of an opening of a bottomed-cylindrical tank cylinder on pump side end surface of a bracket for supporting the pump and electric motor on its both ends so that the tank cylinder constitutes a reservoir for operating fluid, detachably attaching an opening-side-end portion of the tank cylinder into the groove, and engaging a snap ring with a side wall of the groove; and which is designed to be compact in which a Suppression chamber for pulsation-reduction of discharged fluid is integrally provided, by constituting the suppression chamber with the opening side of the groove is sealed by an intermediate plate provided in-between the opening side and pump.