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:
Nov. 05, 1991
Filed:
Feb. 27, 1990
Applicant:
Inventor:
Caio M Da Costa, Joinville, BR;
Assignee:
Expressa Brasileira de Compressores S.A.-Embraco, Joinville, BR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04C / ; F16K / ;
U.S. Cl.
CPC ...
418270 ; 418270 ; 137855 ; 137856 ;
Abstract
An outlet valve for rotary rolling piston compressor, the piston being assembled within a cylinder block having an attached end wall provided with gas discharge passage whose outlet end defines an annular valve seat placed in an oblong recess area circumscribing the valve seat within which a valve blade is located, the area between the bottom wall with the circumscribing side wall of the oblong recess and/or with the peripheral wall of the valve seat being curved to reduce the turbulence of gas leaving the outlet of the discharge passage.