Rear exhaust device for pneumatic tool

Details Rear exhaust device for pneumatic tool Rear exhaust device for pneumatic tool

1999-01-12

2000-10-17

Ryznic, John E.

Power plants

Pressure fluid source and motor

Pneumatic motor with gas supply or removal device

173169, F16D 3102, B23B 4504, B27C 308

Patent

active

061313904

ABSTRACT:
A rear exhaust device for pneumatic tool, of which the prime feature is that the pneumatic tool has a handle furnished with a control valve; the control valve is mounted in an intake passage of the handle; a threaded sleeve on outer end of the intake passage is connected with an intake connector of an intake pipe; inner end of the intake pipe has a round conduit to be plugged into a cylindrical hole at one end of an intake passage of the dynamic body portion; between the round conduit on inner end of the intake passage in the handle and the outer body portion, an inner exhaust passage is furnished; a compressed air will flow through passages on both sides of a valve seat, an outer exhaust passage, a pressure-shunting ring, and an outer pipe so as to divide the pressure and to provide good intake and exhaust passages to drive the blades and rotor to rotate.

REFERENCES:
patent: 3088440 (1963-05-01), Wilmer
patent: 4109735 (1978-08-01), Bent
patent: 5797462 (1998-08-01), Rahm
patent: 5909016 (1999-06-01), Sterling
patent: 5944119 (1999-08-01), Hseih
patent: 5952623 (1999-09-01), Sterling
patent: 5954142 (1999-09-01), Rahm

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