Automated becker hammer drill bounce chamber energy monitor

Details Automated becker hammer drill bounce chamber energy monitor Automated becker hammer drill bounce chamber energy monitor

1996-06-14

1998-11-24

Raevis, Robert

Measuring and testing

Specimen stress or strain, or testing by stress or strain...

Earth stresses

B25D 900

Patent

active

058393170

ABSTRACT:
A system and method for providing analysis and evaluation of penetration test data for modifying Becker Hammer drill programs while in progress by measuring the bounce chamber pressure of a diesel hammer. The system comprises a pressure transducer connected to the bounce chamber for sensing the bounce chamber pressure, a data logger for monitoring the pressure transducer, storage means, a control module and a keyboard having a display screen to enable user control of the data logger, a telephone modem, and a series of instructions for controlling the schedule, pressure transducer measurement, control module signal monitoring, computation of data, and data storage operations of the data logger.

REFERENCES:
patent: 3721095 (1973-03-01), Chelminski
patent: 4383582 (1983-05-01), Chelminski
patent: 4977965 (1990-12-01), Rupe

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