Rotary kinetic fluid motors or pumps – Selectively adjustable vane or working fluid control means – Upstream of runner
Patent
1986-01-28
1987-08-04
Garrett, Robert E.
Rotary kinetic fluid motors or pumps
Selectively adjustable vane or working fluid control means
Upstream of runner
415219R, F01D 1716
Patent
active
046843191
ABSTRACT:
A turbocharger with a variable nozzle mechanism for an internal combustion engine in which nozzle vanes rotatably arranged inside of a turbine housing are driven by a disk plate rotatably arranged outside of the turbine housing and a center housing via rotation transmitting means. The disk plate is constructed as a single integral annular plate so that the inside bearing surface can be manufactured as a true circle by machining. The center housing comprises a center housing main body on which the disk plate is rotatably mounted and a flange portion which is selectively separable from the center housing main body. The outside diameter of the flange portion is constructed smaller than the inside diameter of the disk plate from the axially intermediate portion at which the disk plate is mounted up to the end portion at which the separable flange portion is fixed, in order to enable the disk plate to be mounted onto the outside surface of the center housing main body. The above structure improves rotation of the disk plate and reliability of the variable nozzle mechanism.
REFERENCES:
patent: 2860827 (1958-11-01), Eoli
patent: 3101926 (1963-08-01), Weber
patent: 4179247 (1979-12-01), Osborn
patent: 4242040 (1980-12-01), Swearingen
patent: 4355850 (1982-10-01), Okano
Garrett Robert E.
Pitko Joseph M.
Toyota Jidosha & Kabushiki Kaisha
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