Throttle body with captured bearings

Details Throttle body with captured bearings Throttle body with captured bearings

1997-07-09

1998-08-25

Fox, John

Valves and valve actuation

Rotary valves

Butterfly

123337, F16K 122

Patent

active

057975892

ABSTRACT:
A throttle body (12), for an air intake system of a vehicle, including a housing (14) formed of a thermoplastic material and including a pair of throttle shaft bearing pockets (24, 26) extending from a main bore (16) of the throttle body. The bearing pockets (24, 26) each include a generally cylindrical wall (34) of a diameter to allow for a press fit of throttle shaft support bearings (28, 30) therein. After insertion, a swaging process secures the bearings (28, 30) into the pockets (24, 26) by forming lips (40) around the bearings. The walls (34) may include axial grooves (36) to allow for a more controlled swaging operation.

REFERENCES:
patent: 4125298 (1978-11-01), Heurich et al.
patent: 4193948 (1980-03-01), Charmley et al.
patent: 4561158 (1985-12-01), Johnson et al.
patent: 4611933 (1986-09-01), Hofmann et al.
patent: 4938452 (1990-07-01), Imamura et al.
patent: 5414784 (1995-05-01), Schulte et al.
patent: 5678594 (1997-10-01), Hill

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