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:
Aug. 11, 2020
Filed:
Jul. 11, 2017
Fujitsu General Limited, Kanagawa, JP;
Hiroki Katayama, Kanagawa, JP;
Naoya Morozumi, Kanagawa, JP;
Yasuyuki Izumi, Kanagawa, JP;
Taku Morishita, Kanagawa, JP;
Motonobu Furukawa, Kanagawa, JP;
FUJITSU GENERAL LIMITED, Kanagawa, JP;
Abstract
In a rotary compressor, a lower end plate cover is formed in a shape of a flat plate, and has a through hole that is provided to penetrate in the thickness direction of the lower end plate cover and that communicates with a communication groove. When a sectional area of the communication groove which passes through a center line of a rotation shaft, and is on a section along the rotation shaft direction is S1 [mm], an area in which the through hole and the communication groove overlap each other on a plane orthogonal to the rotation shaft is S2 [mm], and an excluding capacity of a lower cylinder chamber is V [cc], each of 0.10≤(S2/V)≤0.50, and 1.0≤(S2/S1)≤7.0 is satisfied.