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:
Jun. 17, 2014
Filed:
May. 10, 2012
Applicants:
Adrian Mincher, West Yorkshire, GB;
Daniel Copley, Oxford, MS (US);
Inventors:
Adrian Mincher, West Yorkshire, GB;
Daniel Copley, Oxford, MS (US);
Assignee:
Parker Hannifin Manufacturing (UK) Ltd., Hemel Hempstead, Hertfordshire, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 31/12 (2006.01); F01M 13/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A regulator () comprising a first chamber (), and second chamber () and an actuator (). The second chamber () is coupled to the first chamber () through an aperture (). The actuator () is arranged to the adjust the size of the aperture () according to a pressure differential between fluid pressure in the first chamber () and a pressure reference (). The rate of change of the cross sectional area of the aperture () is arranged to have a non-linear response to a change in the pressure differential.