Damper actuator system

Details Damper actuator system Damper actuator system

2006-04-11

2006-04-11

Look, Edward K. (Department: 3751)

Valves and valve actuation

Electrically actuated valve

Rotary electric actuator

C251S250500

Reexamination Certificate

active

07025328

ABSTRACT:
A damper actuator includes a housing and a hub extending through and rotatably coupled to the housing. The actuator is configured to be a side-mount direct coupled actuator. In one embodiment, an external clamp is coupled to the housing and is configured to be attached to a damper shaft without the damper shaft extending through the hub. A torque transfer mechanism is coupled between the hub and the external clamp such that rotation of the hub results in a corresponding rotation of the damper shaft. In another embodiment, a channel in the actuator housing is configured to accept a damper shaft from the side and the hub includes a removable portion to allow for insertion and removal of the damper shaft.

REFERENCES:
patent: 5000212 (1991-03-01), Tervo
patent: 5647399 (1997-07-01), Andersen
patent: 6015142 (2000-01-01), Ulicny
patent: 6097123 (2000-08-01), Weiss et al.
patent: 6495981 (2002-12-01), Romanowich et al.
“M9206-Bxx-2S Series On/Off Electric Spring Return Actuators,” Product Bulletin, Nov. 15, 2002, pp. 1-4, Code No. LIT-0120110, Johnson Controls, Inc.
“M9216 Series Electric Spring Return Actuators,” Oct. 2001, pp. 1-3, Code No. LIT-1922035, Johnson Controls, Inc.
“Damper Actuators and Accessories,” 2003 Pricing Guide, Effective Oct. 1, 2003, 36 pages, F20380-08/03-10M-IG, Belimo Aircontrols (USA), Inc.
“Improving Life in the Great Indoors,” Direct-Mount Electric Actuator, Jun. 2003, 34 pages, PUBL-3059, Johnson Controls, Inc., USA.

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