Internal combustion type pile driver

Details Internal combustion type pile driver Internal combustion type pile driver

1977-02-14

1978-08-29

Myhre, Charles J.

Internal-combustion engines

Two-cycle

Whirl through piston-controlled ports

123 65PE, 123 75C, 173135, F02B 7502

Patent

active

041096215

ABSTRACT:
An internal combustion type pile driver which has a cylinder, a ram adapted to slide within this cylinder, an anvil fitted into the bottom end of the cylinder and an air intake/exhaust port fixedly provided on said cylinder, is improved so that the height of rise of the ram may be adjustable. The improvement exists in providing a choke opening communicating the interior of the cylinder with the atmosphere for the purpose of adjusting a combustion gas pressure in a cylinder wall between the air intake/exhaust port and a combustion chamber, and either a choke plug or a blind plug is adapted to be fitted in to this choke opening.

REFERENCES:
patent: 1102457 (1914-07-01), Twonbly
patent: 1514476 (1924-11-01), Still
patent: 1952275 (1934-03-01), Mohr
patent: 2093634 (1937-09-01), Cordes
patent: 2734488 (1956-02-01), Wampach
patent: 2773481 (1956-12-01), Blake
patent: 3193026 (1965-07-01), Kupka
patent: 3679005 (1972-07-01), Inaba et al.

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