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Patent Searching and Data


Title:
ROTARY AIR MOTOR SPEED CONTROL ASSEMBLY
Document Type and Number:
WIPO Patent Application WO/2012/036729
Kind Code:
A3
Abstract:
An air motor speed control comprises an annular speed control housing and an annular stator housing. The speed control housing comprises a cylindrical outer first surface having a first center axis, a cylindrical inner second surface having a second center axis, and a first exhaust slot connecting the first surface to the second surface. The stator housing comprises a cylindrical outer third surface having a third center axis aligned with the second center axis, a cylindrical inner fourth surface having a fourth center axis offset from the third center axis, and a first exit slot connecting the third surface to the fourth surface to overlap the first exhaust slot. The speed control housing is rotatable about the cylindrical outer third surface to adjust overlap between the first exhaust slot and first exit slot.

Inventors:
JOHNSON, Corey, D. (623 Cliffside Drive, Akron, Ohio, 44313, US)
Application Number:
US2011/001574
Publication Date:
July 12, 2012
Filing Date:
September 13, 2011
Export Citation:
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Assignee:
GRACO MINNESOTA INC. (88 11th Avenue Northeast, Minneapolis, Minnesota, 55413-1894, US)
JOHNSON, Corey, D. (623 Cliffside Drive, Akron, Ohio, 44313, US)
International Classes:
B26D5/00; B02C13/00; B02C18/16; B26D1/36; B26D5/26; D01G1/00
Foreign References:
US5064120A1991-11-12
US5319888A1994-06-14
JPS5720503A1982-02-03
Attorney, Agent or Firm:
KOMAREC, Stephen, M. et al. (Kinney & Lange, P.A.312 South Third Stree, Minneapolis Minnesota, 55415, US)
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