Method and apparatus for recording the compression pressure of i

Details Method and apparatus for recording the compression pressure of i Method and apparatus for recording the compression pressure of i

1979-11-08

1981-03-31

Miller, Jr., George H.

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Receiver and marker movable

346 33TP, 73115, G01D 1516, G01D 900, G01M 1500

Patent

active

042596777

ABSTRACT:
An apparatus and method for recording the compression pressure of internal combustion engines, wherein a pair of recording elements, such as a stylus and a recording sheet, are movable relative to each other by a pressure sensitive element, and the compression pressure acts upon one of the recording elements to first move the recording element from a position of rest, after which the two recording elements are brought into contact with each other, and the pressure is then relieved from the one recording element, resulting in a line being drawn while the recording element returns to its position of rest.

REFERENCES:
patent: 347088 (1886-08-01), Brown
patent: 619049 (1889-02-01), Paige
patent: 897311 (1908-09-01), Spencer
patent: 1117470 (1914-11-01), Wood
patent: 1928809 (1933-10-01), Brunner
patent: 2040082 (1936-05-01), De Juhasz

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