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Patent Searching and Data


Title:
COMPRESSED AIR DRIVEN MOTOR
Document Type and Number:
WIPO Patent Application WO/2019/140175
Kind Code:
A1
Abstract:
An air motor assembly includes an exhaust block with an exhaust port that conveys exhaust air into an exhaust manifold. The exhaust port includes an expansion chamber that creates a pressure drop in the exhaust gas, thereby decreasing the temperature of the exhaust gas. The expansion chamber is defined between a first wall that is tangential to the air motor cylinder and a second wall that is transverse to an axis of the exhaust port. Poppet valves control actuation of a shuttle. The poppet valves are disposed on the exterior of the air motor assembly and are thermally insulated from the air motor assembly.

Inventors:
MCCORMICK, Martin, P. (21830 Iden Avenue, Forest Lake, Minnesota, 55025, US)
DAUWALTER, Benjamin, J. (6460 Fallbrook Road, Eden Prairie, Minnesota, 55344, US)
FLOER, Kenneth, C. (6941 Georgia Avenue North, Brooklyn Park, Minnesota, 55428, US)
Application Number:
US2019/013173
Publication Date:
July 18, 2019
Filing Date:
January 11, 2019
Export Citation:
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Assignee:
GRACO MINNESOTA INC. (88 11th Ave NE, Minneapolis, Minnesota, 55413, US)
International Classes:
F01B25/02; F01B11/00; F01B31/02; F04B9/125; F16B15/00; F01B23/08
Domestic Patent References:
WO2008014322A22008-01-31
WO1995004208A11995-02-09
Foreign References:
US4921408A1990-05-01
US20080253906A12008-10-16
Other References:
None
Attorney, Agent or Firm:
FAIRBAIRN, David, R. et al. (Kinney & Lange, P.A.312 South Third Stree, Minneapolis Minnesota, 55415, US)
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