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:
Apr. 17, 2001
Filed:
Oct. 15, 1999
Applicant:
Inventors:
Hiroyuki Kuroiwa, Sakai, JP;
Keiji Yoshimura, Sakai, JP;
Toshiaki Yoshii, Sakai, JP;
Shusaku Ueda, Sakai, JP;
Mikio Kajiwara, Sakai, JP;
Assignee:
Daikin Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F03C 2/00 ;
U.S. Cl.
CPC ...
F03C 2/00 ;
Abstract
A plurality of compression chambers are formed between first and second spiral bodies,and,, and refrigerant discharge timing advancing means is provided for advancing the timing at which refrigerant is discharged from a first compression chamber,which is one of a pair of compression chambers located nearest to the center, relative to the refrigerant discharge timing of the second compression chamber,. The refrigerant discharge timing advancing means includes an extension,of the first spiral body,and an opening advancing portion,of a discharge port