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.:

US 9273669 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 01, 2016

Filed:

Dec. 20, 2012
Applicant:

S.b. Patent Holding Aps, Vejstrup, DK;

Inventors:

Poul Sejer Nielsen, Odense, DK;

Peter Hornskov, Odense SO, DK;

Assignee:

S.B. Patent Holding ApS, Vejstrup, DK;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D 55/10 (2006.01); F03D 7/02 (2006.01); F16J 1/00 (2006.01); F16D 65/00 (2006.01); F16D 125/06 (2012.01);
U.S. Cl.
CPC ...
F03D 7/0248 (2013.01); F03D 7/0244 (2013.01); F16D 65/0068 (2013.01); F16J 1/003 (2013.01); F16D 2125/06 (2013.01);
Abstract

The present invention relates in particular, but not limited to, a wind turbine hydraulic brake calliper. The brake calliper comprising a cylinder bore, a piston having a piston head and a piston skirt. The piston being received in the cylinder bore in an orientation where the piston head faces towards the brake pad. The calliper comprising a fluid connection connected to or connectable to a source of hydraulic fluid for leading hydraulic fluid into the void of the cylinder bore below the piston head (), so as to move the piston. The piston is formed at least partly and preferably solely from a polymeric material or from polymeric materials.


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