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:
May. 09, 1995
Filed:
Jun. 14, 1993
Applicant:
Inventor:
Akira Suzuki, Shimizu, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B / ;
U.S. Cl.
CPC ...
417203 ; 417205 ; 4182011 ;
Abstract
A device for producing compressed air arranged to suction air from the atmosphere an increase the pressure of the suctioned air by a turbo-supercharger, to cool the air at high temperature by passing the air through an intercooler and to compress the air to a required pressure by an oil-free screw compressor having an air inlet port connected to the intercooler. The compressed air discharged from the compressor is cooled by coolers and then delivered to a user side.