Digital compression gauge

Details Digital compression gauge Digital compression gauge

2005-11-29

2005-11-29

McCall, Eric S. (Department: 2855)

Measuring and testing

Internal combustion engine or related engine system or...

Compression

Reexamination Certificate

active

06968733

ABSTRACT:
There is provided a compression gauge assembly for diagnosing pressure variances of an engine cylinder(s). The gauge assembly comprises a gauge sensor in communication with the engine cylinder(s). The gauge sensor is operative to detect compression stroke pressures within the cylinder(s). A gauge controller is in communication with the gauge sensor. The gauge controller includes a comparator circuit operative to compare detected compression stroke pressures within the cylinder(s) and to derive the pressure variances therebetween. A gauge display is in communication with the gauge controller for displaying the derived pressure variances.

REFERENCES:
patent: 3765233 (1973-10-01), Germann
patent: 3979960 (1976-09-01), Schwartz
patent: 4050296 (1977-09-01), Benedict
patent: 4562728 (1986-01-01), Timmerman
patent: 4633707 (1987-01-01), Haddox
patent: 6484694 (2002-11-01), Thomas
Equus Products, Inc. Catalog, p. 11 (1998).
Equus Products, Inc Catalog, Automotive Tester, Gauges and Tachometers and Cruise Control, p. 7 (1995).
Sunpro Catalog by Actron, Sunpro Solutions, p. 8 (Nov. 1996).
Pentron Products, Inc. Catalog, p. 7 (1988).

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