Invention Grant
- Patent Title: Vehicle disc/brake system
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Application No.: US17023612Application Date: 2020-09-17
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Publication No.: US11668361B2Publication Date: 2023-06-06
- Inventor: Vittorio De Soccio , Roberto Boffelli
- Applicant: COFREN S.r.l. , POLI S.r.l.
- Applicant Address: IT Avellino
- Assignee: POLI S.R.L.
- Current Assignee: POLI S.R.L.
- Current Assignee Address: IT Camisano
- Agency: The Small Patent Law Group, LLC
- Agent Philip S. Hof
- Priority: IT 2019000016835 2019.09.20
- Main IPC: F16D65/12
- IPC: F16D65/12 ; B61H5/00 ; C22C9/00 ; C22C37/08 ; C22C37/10 ; F16D65/092 ; F16D69/02 ; F16D65/02
Abstract:
A disc/brake friction torque for railway vehicles consisting of at least one pad comprising at least one friction element and a disc. The friction element is made of a sintered material comprising copper, iron, graphite, 0.02 to 1.5% by weight of molybdenum, 1 to 3% by weight of chrome and a porosity ranging from 20 to 35%; and the disc is made of cast iron comprising 0.05 to 2% by weight of chrome, 0.05 to 2% by weight of molybdenum, 0.1 to 2% by weight of nickel.
Public/Granted literature
- US20210088093A1 DISC/BRAKE FRICTION TORQUE FOR RAILWAY VEHICLES Public/Granted day:2021-03-25
Information query
