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:
Feb. 24, 2009
Filed:
Mar. 23, 2007
Yoshinori Inoue, Kariya, JP;
Akinobu Kanai, Kariya, JP;
Yoshinori Inoue, Kariya, JP;
Akinobu Kanai, Kariya, JP;
Kabushiki Kaisha Toyota Jidoshokki, Kariya-Shi, JP;
Abstract
A flow meter for a variable displacement compressor comprises a movable body operable to move by differential pressure, a magnet provided in the movable body, a magnetic sensor for detecting change of magnetic flux density of the magnet, a flow passage for refrigerant gas which is discharged from cylinder bores to flow therethrough, a sealed chamber connected perpendicularly to the flow passage and accommodating therein the movable body, an urging member for urging the movable body into the flow passage, a clearance formed between a movable body and an inner wall surface of the flow passage, a by-pass passage opened and closed as the movable body is moved in an axial direction of the movable body, and a communication passage for introducing into the sealed chamber the refrigerant gas in a downstream flow passage of the flow passage which is located downstream of the movable body.