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:
Dec. 09, 1997
Filed:
Jul. 11, 1996
Applicant:
Inventors:
Kazuo Otsuka, Hirakata, JP;
Kunihiko Imanishi, Hirakata, JP;
Kenzo Kimoto, Hirakata, JP;
Minpei Shoda, Hirakata, JP;
Assignee:
Kabushiki Kaisha Komatsu Seisakusho, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G01R / ;
U.S. Cl.
CPC ...
738658 ;
Abstract
An apparatus for detecting an amount of metal powder in a hydraulic circuit for supplying a drain pressurized oil from a hydraulic pump driven by an engine is characterized by comprising a metal powder amount detection sensor (9) disposed in a flow passage of the pressurized oil and adapted to transmit a signal in proportion to an adhering amount of the metal powder and a controller (11) for calculating the metal powder amount from the signal outputted from the metal powder detection sensor and displaying the calculated amount.