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 (US)
DAUWALTER BENJAMIN (US)
FLOER KENNETH (US)
DAUWALTER BENJAMIN (US)
FLOER KENNETH (US)
Application Number:
PCT/US2019/013173
Publication Date:
July 18, 2019
Filing Date:
January 11, 2019
Export Citation:
Assignee:
GRACO MINNESOTA INC (US)
International Classes:
F01B25/02; F01B11/00; F01B31/02; F04B9/125; F16B15/00; F01B23/08
Domestic Patent References:
| WO2008014322A2 | 2008-01-31 | |||
| WO1995004208A1 | 1995-02-09 |
Foreign References:
| US4921408A | 1990-05-01 | |||
| US20080253906A1 | 2008-10-16 |
Other References:
None
Attorney, Agent or Firm:
FAIRBAIRN, David, R. et al. (US)
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