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. 29, 2012
Filed:
Jan. 30, 2009
Applicants:
Kenric B. Rose, Howell, MI (US);
William G. Spadafora, Clarkston, MI (US);
Inventors:
Kenric B. Rose, Howell, MI (US);
William G. Spadafora, Clarkston, MI (US);
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D 31/02 (2006.01); F15B 11/072 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of varying a charge in an accumulator includes providing an accumulator containing working fluid and gas, providing a reservoir containing gas, transferring gas from the reservoir to the accumulator to increase the gas pressure in the accumulator, and transferring gas from the accumulator to the reservoir to decrease the gas pressure in the accumulator.