David J Benson

US Patent:

20130072103, Mar 21, 2013

Filed:

Nov 8, 2012

Appl. No.:

13/672300

Inventors:

Emily Jones - Tualatin OR, US
Albert Passadore - Beaverton OR, US
David Benson - West Linn OR, US

Assignee:

HUNTAIR, INC. - Tualatin OR

International Classification:

F24F 13/14
B23P 11/00

US Classification:

454259, 29428

Abstract:

A damper is provided. The damper includes a frame having a central opening through which air passes. A plurality of vanes are rotatably mounted within the frame. At least one of the vanes is oriented about a rotational axis that is offset at a non-orthogonal angle with respect to one of a horizontal and vertical axis.

US Patent:

50146084, May 14, 1991

Filed:

Aug 17, 1990

Appl. No.:

7/569234

Inventors:

David E. Benson - Aloha OR
Michael T. Post - Lake Oswego OR

Assignee:

Brod & McClung - Pace Co. - Portland OR

International Classification:

F24F 710

US Classification:

98 331

Abstract:

A clean room is supplied with air at a controllable velocity from a blower with a variable damper mechanism. The ceiling of the clean room is comprised of a plurality of panels of particulate filter material. Associated with at least some of said panels are air dampers comprised of first and second adjacent perforated plates. The first plate is fixed and the second plate is mounted for translational movement relative to the first. By moving the second plate relative to the first, the perforations therein are selectably opened or occluded, permitting the air passing through each panel to be regulated. Air flow through the room as a whole is controlled by the variable air flow feature of the blower.

Address:

773 N 74 St APT 13, Seattle, WA 98103

VIN:

3A4FY48B57T533128

Make:

CHRYSLER

Model:

PT CRUISER

Year:

2007