Synchronizer ring

Details Synchronizer ring Synchronizer ring

1992-06-19

1993-10-05

Lorence, Richard M.

192 clutches and power-stop control

Elements

Engaging surfaces

192 53F, F16D 2304

Patent

active

052496619

ABSTRACT:
A synchronizer ring for performing synchronous sliding operation with and separating operation from a rotating object member, comprises a ring body having a sliding surface in slidable contact with the object member and a molybdenum or molybdenum alloy flame-coated film formed on the sliding surface, the film having a ceramic present in an amount of 5 to 30 weight %. The flame-coated film may have a surface roughness (Rz) of 20 to 60 .mu.m. The flame-coated film may further have a surface porosity of 5 to 30%, preferably 7 to 25% and a film thickness of 70 to 200 .mu.m, preferably 90 to 120 .mu.m.

REFERENCES:
patent: 4091904 (1978-05-01), Beyer
patent: 4597484 (1986-07-01), Takiguchi et al.
patent: 4944378 (1990-07-01), Christian
patent: 4951798 (1990-08-01), Knoess

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