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. 22, 1990
Filed:
Oct. 04, 1989
Applicant:
Inventors:
Peter Buthmann, Gelsenkirchen, DE;
Joachim Kotzur, Oberhausen, DE;
Assignee:
MAN Gutehoffnungshutte, GmbH, Oberhausen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02B / ;
U.S. Cl.
CPC ...
60607 ;
Abstract
An internal combustion engine charging unit is disclosed which includes a displacement compressor connected to a drive shaft of an internal combustion engine so as to be driven by the internal combustion engine. The displacement compressor is preferably a screw compressor including a main rotor and a secondary rotor. An exhaust gas turbine is connected to an exhaust line of the internal combustion engine. The shaft of the gas turbine is preferably connected to one of the main rotor, secondary rotor or both the main rotor and the secondary rotor.