Device in hydraulic percussion tools

Details Device in hydraulic percussion tools Device in hydraulic percussion tools

1974-10-18

1976-03-09

Geoghegan, Edgar W.

Power plants

Pressure fluid source and motor

Cyclically operable reciprocating or oscillating motor or...

91218, 91290, F15B 102, F15B 1115

Patent

active

039423220

ABSTRACT:
A percussion tool is hydraulically operated by a piston whose stroke is controlled by a spring biased valve. A pressure accumulator is connected to the working pressure chamber of a hydraulic cylinder and receives pressure therefrom during the return stroke of the piston while discharging pressure during the working stroke. A piston is displaceably mounted in the pressure accumulator for movement into an end position when the pressure is discharged and a second valve is actuated by the piston in the end position to control the spring biased valve.

REFERENCES:
patent: 1594217 (1926-07-01), Smith
patent: 2802336 (1957-08-01), Ball
patent: 3412646 (1968-11-01), Johnston

Affiliated with

Also associated with

Rating

Device in hydraulic percussion tools does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Device in hydraulic percussion tools, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Device in hydraulic percussion tools will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-823704