Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1988-09-09
1990-01-23
Moon, Charlie T.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
292816, B23P 1904
Patent
active
048949000
ABSTRACT:
A fuel injection nozzle 10 having a nozzle body 12 to which is attached a banjo-type inlet stud 16, by means of heat shrinking. After the shrink fit attachment, a blind passage 20, 22 in the delivery tube portion 134 of the inlet is drilled through to penetrate the nozzle body and form a leak-tight fuel delivery path. A locating plate 106 is supported by a bore 96 in the cylinder head 80 adjacent the nozzle and orients the nozzle into a preselected orientation. In one nozzle embodiment 70, the tip 76 is sealed against the cylinder head socket 84 by a frustoconical copper annular seal member 82 that is preferentially loaded toward the inner seal diameter. The nozzle cap 14 forms a spring chamber in which a spring subassembly 42 including upper and lower spring seats 48, 46, a spring 44, and stem 186 and pedestal 84 piloting the spring, cooperate to permit independent setting of the valve lift off stop limit F and the spring preload B. The components internal to the nozzle body are all insertable serially, without the need for rotation or other complex fabrication steps. A nozzle removal tool 250 adapted for use with the nozzle includes a yoke member 258 for engaging a shoulder 268 on the nozzle and a jackscrew 254 and jacking bolt 252 arrangement concentric with each other, for lifting the nozzle from its socket in the cylinder head.
REFERENCES:
patent: 1865420 (1932-06-01), Kick
patent: 1866125 (1932-07-01), Patterson
patent: 2160395 (1939-05-01), Wettlaufer
patent: 2239609 (1941-04-01), Jensen
patent: 2253411 (1941-08-01), Thompson
patent: 2664620 (1954-01-01), Beasley
patent: 2883741 (1959-04-01), Yerkes
patent: 3571887 (1971-03-01), McIntire
patent: 3670389 (1972-06-01), Shepanski
Chace David A.
Janik Leon P.
Rausfeisen Robert
Moon Charlie T.
Stanadyne Automotive Corp.
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