Valve spring compressor apparatus

Details Valve spring compressor apparatus Valve spring compressor apparatus

1994-05-06

1994-12-27

Watson, Robert C.

Metal working

Means to assemble or disassemble

Valve applying or removing

29249, B23P 1904

Patent

active

053753089

ABSTRACT:
A valve spring compressor apparatus for removing and installing valve springs on automotive racing engines includes a valve seat and a compressor pump assembly. The valve seat is placed between the valve spring and the engine housing. The compressor engages the valve spring seat with a support arm and extends a piston toward the valve spring seat, thus compressing the valve spring and allowing for the removal of the retainer ring and keeper lock. The compressor uses a source of compressed air to drive a power piston into a compression chamber multiplying the supply air pressure several times. This multiplied air pressure is retained in the extension piston chamber by a one-way valve. As the extension piston extends, the multiplied air pressure in the extension piston is maintained by repeated cycling of the compressor.

REFERENCES:
patent: 1439530 (1922-12-01), Schermerhorn
patent: 1474292 (1923-11-01), Ruttinger
patent: 1488880 (1924-04-01), Hunter
patent: 2566460 (1951-09-01), Mihalic
patent: 2691209 (1954-10-01), Stearns
patent: 4585211 (1986-04-01), Griffin
patent: 5226229 (1993-07-01), Pierce

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