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:
Jun. 12, 2007
Filed:
Oct. 14, 2004
Takashi Morimoto, Kyoto, JP;
Yoshiyuki Futagami, Shiga, JP;
Akira Hiwata, Kyoto, JP;
Tsutomu Tsujimoto, Shiga, JP;
Takashi Morimoto, Kyoto, JP;
Yoshiyuki Futagami, Shiga, JP;
Akira Hiwata, Kyoto, JP;
Tsutomu Tsujimoto, Shiga, JP;
Matsushita Electric Industrial Co., Ltd., Kadoma-shi, JP;
Abstract
A surface of a fixed scroll which is opposed to a end plate of an orbiting scroll existing outside of a lap of the fixed scroll is formed with: a substantially annular seal portion which extends such as to have an outer wall surface of the fixed scroll outwardly extending from an inner wall surface of outermost periphery of the lap substantially along the inner wall surface, and which comes into slide contact with the end plate of the orbiting scroll; a substantially annular recess located outside of the substantially annular seal portion; and a recess which is brought into communication with an intake port of the fixed scroll independently from the substantially annular recess. With this, back pressure of the orbiting scroll is increased, and turning-over phenomenon of the orbiting scroll can be suppressed.