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Patent Searching and Data


Title:
CENTRIFUGAL BRAKE FOR OVERSPEED PROTECTION
Document Type and Number:
WIPO Patent Application WO/2012/068173
Kind Code:
A3
Abstract:
A centrifugally triggered brake mechanism is used to halt a rotating assembly (110). The brake mechanism includes a stationary brake drum (105) and a brake shoe (130) and a centrifugal trigger (120), the brake shoe and the trigger being carried by the rotating assembly. Upon attaining a selected rotational speed the trigger releases the brake pad to engage the drum. The mechanism may be useful for instance in providing backup overspeed protection for wind turbines

Inventors:
POLITO BENJAMIN FRANCIS (US)
RICHTMAN KEITH THOMAS (US)
KAUFMAN JOSHUA DANIEL (US)
Application Number:
PCT/US2011/060871
Publication Date:
July 04, 2013
Filing Date:
November 15, 2011
Export Citation:
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Assignee:
PIKA ENERGY LLC
POLITO BENJAMIN FRANCIS (US)
RICHTMAN KEITH THOMAS (US)
KAUFMAN JOSHUA DANIEL (US)
International Classes:
F03D7/02; F16D59/00; F16D51/16; F16D127/00; F16D129/04
Foreign References:
US20060263220A12006-11-23
DE2147669A11972-04-20
US2517135A1950-08-01
US5310022A1994-05-10
JPS58185980A1983-10-29
Attorney, Agent or Firm:
SCHEER, Bradley W. et al. (Lundberg & Woessner P.A.,P.O. Box 293, Minneapolis Minnesota, US)
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