Percussion adapter for positive displacement motors

Details Percussion adapter for positive displacement motors Percussion adapter for positive displacement motors

2007-09-13

2009-10-13

Rada, Rinaldi I. (Department: 3721)

Tool driving or impacting

Impacting devices

With means for rotating tool

C173S013000, C173S017000

Reexamination Certificate

active

07600578

ABSTRACT:
A percussion adapter for a positive displacement motor including a housing, a torque tube and a reciprocating percussive piston operable by application of fluid pressure thereto. The piston can be driven to create a percussive effect by rotary movement of the torque tube. The percussion adapter can have a bypass option to allow flow through the percussion adapter without operation of the piston.

REFERENCES:
patent: 3453657 (1969-07-01), Hayes et al.
patent: 4133393 (1979-01-01), Richards
patent: 6508317 (2003-01-01), Eddison et al.
patent: 6742605 (2004-06-01), Martini
patent: 1 038 086 (2004-04-01), None

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