Motor driven value

Details Motor driven value Motor driven value

2006-05-16

2006-05-16

Jacyna, J. Casimer (Department: 3751)

Valves and valve actuation

Electrically actuated valve

Rotary electric actuator

C251S248000, C251S305000

Reexamination Certificate

active

07044439

ABSTRACT:
An easy-to-assemble motor-adjustable throttle valve for fluid channels, especially in motor vehicle air conditioning systems, which can be obtained when a geared motor is integrated in the setting stem without causing an unacceptable reduction of the remaining clear channel cross-section. A built-in housing fitted with a high-speed small servomotor and provided with a strongly reducing shaft gear disposed inn the axial extension of the housing is radially inserted through a side wall of the channel and coaxially inserted into a pot-shaped tapered section of one end of the setting stem, the output wheel of the shaft gear being formed on the inner covering surface of such section.

REFERENCES:
patent: 3777974 (1973-12-01), Sparks
patent: 5687691 (1997-11-01), Kaiser et al.
patent: 5902426 (1999-05-01), Daly
patent: 6412752 (2002-07-01), Daly et al.
patent: 2001/0035508 (2001-11-01), Xia
patent: 42 23 933 (1994-01-01), None
patent: 42 28 485 (1994-03-01), None
patent: 1 013 649 (1965-12-01), None

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