Free piston inertia compressor

Details Free piston inertia compressor Free piston inertia compressor

1979-05-08

1981-12-29

Smith, Leonard E.

Pumps

Inertia-type pumping member or drive means

417469, 92 10, F04B 3100

Patent

active

043079970

ABSTRACT:
A free piston inertia compressor comprises a piston assembly including a connecting rod having pistons on both ends, the cylinder being split into two substantially identical portions by a seal through which the connecting rod passes. Vents in the cylinder wall are provided near the seal to permit gas to excape the cylinder until the piston covers the vent whereupon the remaining gas in the cylinder functions as a gas spring and cushions the piston against impact on the seal. The connecting rod has a central portion of relatively small diameter providing free play of the connecting rod through the seal and end portions of relatively large diameter providing a limited tolerance between the connecting rod and the seal. Finally, the seal comprises a seal ring assembly consisting of a dampener plate, a free floating seal at the center of the dampener plate and a seal retainer plate in one face of the dampener plate.

REFERENCES:
patent: 740892 (1903-10-01), Meyer
patent: 823431 (1906-06-01), McManus
patent: 1513550 (1924-10-01), Hawkins
patent: 2648489 (1953-08-01), Dyer
patent: 2698605 (1955-01-01), Kress
patent: 3267815 (1966-08-01), Ortman et al.
patent: 3461806 (1969-08-01), Barthalon
patent: 3805672 (1974-04-01), Pekrul

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