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. 01, 2005
Filed:
Jul. 09, 2003
Ichiro Morita, Fujisawa, JP;
Masanori Kobayashi, Fujisawa, JP;
Koh Inagaki, Fujisawa, JP;
Makoto Katayama, Zushi, JP;
Ichiro Morita, Fujisawa, JP;
Masanori Kobayashi, Fujisawa, JP;
Koh Inagaki, Fujisawa, JP;
Makoto Katayama, Zushi, JP;
Matsushita Refrigeration Company, Osaka, JP;
Abstract
A tightly closed casing has an inside space for storing coolant gas. A block is accommodated in this casing. A motor includes a stator and a mover. A piston is connected to the mover of the motor. A movable element includes the mover of the motor and the piston. A stationary element includes the stator of the motor and the block. An elastic element has a portion fixed to the movable element and another portion fixed to the stationary element. A cylinder is shiftable in an axial direction with respect the block. A shifting device shifts the cylinder in the axial direction.