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, 2013
Filed:
Sep. 06, 2011
Applicants:
Douglas J. Angus, Elgin, GB;
Alexander E. H. Fitzhugh, Bristol, GB;
Inventors:
Douglas J. Angus, Elgin, GB;
Alexander E. H. Fitzhugh, Bristol, GB;
Assignee:
Rolls-Royce PLC, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01L 7/00 (2006.01); G01L 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A pressure indicator for indicating pressure of a pressure source. The indicator comprises a first reservoir which defines a first enclosed volume having a first inlet pipe for communication between the first enclosed volume and a first source of pressurised fluid. A damping passage is provided in fluid communication with the first enclosed volume. A pressure oscillation damping means is provided in the damping passage. The damping means comprises a moveable body constrained within a limited range of motion along the damping passage.