Throttle valve arrangement

Details Throttle valve arrangement Throttle valve arrangement

2005-09-20

2005-09-20

Keasel, Eric (Department: 3754)

Valves and valve actuation

Rotary valves

Butterfly

C137S015250

Reexamination Certificate

active

06945513

ABSTRACT:
The present invention relates to a throttle valve arrangement for closing a through flow in a throttle valve connection piece, including a pivotably actuated throttle valve shaft which is mounted in the opening in a perpendicular position with respect to the longitudinal extension thereof projecting into the housing of the throttle valve connection piece with the free end thereof. The through flow opening can be closed by a throttle valve which is firmly connected to the throttle valve shaft. The throttle valve comprises a continuous receiving opening extending on the plane thereof in a perpendicular position with respect to the opening and through which the throttle valve shaft is guided. Additionally, a recess is formed in the throttle valve, extending form the through opening to the receiving opening in the area where the throttle valve is connected to the throttle valve shaft by means of a welded connection.

REFERENCES:
patent: 3567180 (1971-03-01), Williams
patent: 3568975 (1971-03-01), Obermaier et al.
patent: 3666235 (1972-05-01), Scott
patent: 3675681 (1972-07-01), Obermaier
patent: 4057217 (1977-11-01), MacDonald
patent: 4325536 (1982-04-01), Garrett
patent: 4335738 (1982-06-01), Nassir
patent: 4576360 (1986-03-01), Lew
patent: 4768750 (1988-09-01), Wilson
patent: 4899775 (1990-02-01), Calvin
patent: 5125624 (1992-06-01), Yohner
patent: 3721624 (1989-01-01), None
patent: 19841181 (2000-03-01), None
Derwent Abstract DE3721624; Jan. 12, 1989; Verwaltungs Lohse GmbH & Co. KG.
Derwent Abstract DE19841181; Mar. 16, 2000; Robert Bosch GmbH.

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