Fluid coupling and method of manufacturing fluid coupling

Details Fluid coupling and method of manufacturing fluid coupling Fluid coupling and method of manufacturing fluid coupling

2007-06-05

2007-06-05

Bonck, Rodney H. (Department: 3681)

Power plants

Pressure fluid source and motor

Coaxial impeller and turbine unit

C029S889500, C192S003290, C192S057000, C192S11000B

Reexamination Certificate

active

10978531

ABSTRACT:
An impeller3configures a fluid chamber and includes impeller blades17and an annular impeller hub18. A turbine4is disposed to face the impeller3and includes turbine blades22and an annular turbine hub23disposed at an inner peripheral side of the turbine blades22. A ball bearing8is disposed between an inner peripheral surface of the impeller hub18and an outer peripheral surface of the turbine hub23. A first stop ring34that engages with a first groove19and an engagement groove31afixes the ball bearing8with respect to the impeller hub18due to the ball bearing8and the impeller hub18being brought into close proximity to each other in the axial direction. A second stop ring35engaged with a second groove24afixes the ball bearing8and the turbine hub23.

REFERENCES:
patent: 2357295 (1944-09-01), Thompson
patent: 3363417 (1968-01-01), Becker
patent: 6631795 (2003-10-01), Inoue et al.
patent: 2002-021970 (2002-01-01), None
patent: 2002-021971 (2002-01-01), None

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