Measuring and testing – With fluid pressure – Motor part or auxiliary
Patent
1977-11-15
1979-10-23
Petrakes, John
Measuring and testing
With fluid pressure
Motor part or auxiliary
G01M 304
Patent
active
041716361
ABSTRACT:
Testing apparatus which permits precise determination of the existence and location of possible fractures and cracks in the cylinder head of an engine. In a preferred embodiment, the apparatus comprises a plurality of individual test plates which are specially designed for the particular engine desired to be tested. The plates include at least one planar surface having one or a plurality of generally circular recesses formed therein for holding and retaining O-ring seals. The position of the recesses on the plate corresponds to the position of water conduit outlets in the cylinder head. The preferably transparent plates, along with the O-ring seals, are bolted onto the cylinder head, and water under pressure is then applied. The reverse side of the plates may conveniently include a different arrangement of recesses to accommodate a different engine cylinder head design.
REFERENCES:
patent: 3145560 (1964-08-01), Williams
patent: 3360984 (1968-01-01), Salsbury et al.
patent: 3452591 (1969-07-01), Phillips et al.
patent: 3561255 (1971-02-01), Kostielney, Jr.
patent: 3608369 (1971-09-01), Wilkinson
patent: 3751978 (1973-08-01), Crawford
patent: 3973429 (1976-08-01), Durgan et al.
Detroit Diesel V-71 Assembly Manual; General Motors Corporation; p. 5; Sep. 1974.
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