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Patent Searching and Data


Title:
RAILWAY VEHICLE BRAKE DISC
Document Type and Number:
WIPO Patent Application WO/2011/066561
Kind Code:
A3
Abstract:
The railway vehicle brake disc includes a cylindrical hub, friction ring, and bell-shaped flange connecting the hub with the friction ring. The cylindrical hub defines a central axis and has an axial width and an outer diameter. The surface at the outer diameter defines an outer hub periphery. The friction ring includes two opposed annular members each having an outer braking surface and an inner surface. The annular members are connected to each other by a plurality of fins extending from the inner surface of one annular member to the inner surface of the other annular member. The bell-shaped flange has an inner portion connected to the hub, an outer portion connected to the fins, and a radial portion connecting the inner portion to the outer portion. The hub, friction ring, and bell-shaped flange are formed integrally from a single material.

Inventors:
FINCH, Glyn, A., Jr. (2 Ventana Court, Simpsonville, SC, 29681, US)
MATHERN, Peter, D. (27 Mansell Ct, Greenville, SC, 29601-1531, US)
Application Number:
US2010/058394
Publication Date:
November 03, 2011
Filing Date:
November 30, 2010
Export Citation:
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Assignee:
WABTEC HOLDING CORP. (1001 Air Brake Avenue, Wilmerding, PA, 15148, US)
FINCH, Glyn, A., Jr. (2 Ventana Court, Simpsonville, SC, 29681, US)
MATHERN, Peter, D. (27 Mansell Ct, Greenville, SC, 29601-1531, US)
International Classes:
B61H5/00; F16D55/02; F16D65/12
Domestic Patent References:
WO2002081941A12002-10-17
Foreign References:
EP0967407A21999-12-29
GB2172676A1986-09-24
US20080060890A12008-03-13
US20080073165A12008-03-27
Other References:
See also references of EP 2507108A4
Attorney, Agent or Firm:
ORKIN, Russell, D. et al. (The Webb Law Firm, One Gateway Center420 Fort Duquesne Boulevard, Suite 120, Pittsburgh PA, 15222, US)
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