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. 05, 2015
Filed:
Mar. 27, 2009
Applicant:
Felix Arnold, Neckarsteinach, DE;
Inventor:
Felix Arnold, Neckarsteinach, DE;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04C 2/10 (2006.01); F04C 18/56 (2006.01); F04C 23/00 (2006.01);
U.S. Cl.
CPC ...
F04C 18/565 (2013.01); F04C 2/102 (2013.01); F04C 23/001 (2013.01); F04C 23/008 (2013.01); F04C 2220/10 (2013.01);
Abstract
The invention relates to a low pressure pump/vacuum pump for gaseous media, comprising two interacting combs the teeth of which are configured as cycloidal components, the duplicate compressor stages being interconnected. A power unit of the pumps/compressors is driven and the power unit of the other pump/compressor, which is arranged coaxially, is entrained via a rotational connection.