Aluminum valve spring retainer

Details Aluminum valve spring retainer Aluminum valve spring retainer

1978-05-12

1980-05-06

Lazarus, Ronald H.

Internal-combustion engines

Poppet valve operating mechanism

Spring

123188SB, 123188VA, 251322, F01L 310

Patent

active

042011620

ABSTRACT:
Serious racers strive to squeeze as many revolutions per minute as possible out of their engines. They often use exotic metals like titanium in efforts to minimize the weight of some reciprocating parts. Almost exclusively, serious racers use titanium valve spring retainers to obtain higher speeds. This invention relates to an improved valve spring retainer for use in high performance engines. More particularly, it relates to an aluminum valve spring retainer which is lighter and less costly than titanium retainers of approximately equivalent strength.

REFERENCES:
patent: 1759175 (1930-05-01), Vaught
patent: 1761925 (1930-06-01), Lampman
patent: 1960709 (1934-05-01), Olenick
patent: 2191333 (1940-02-01), Willgoos
patent: 3222770 (1965-12-01), Braid
patent: 3298337 (1967-01-01), Thompson
patent: 3882833 (1975-05-01), Longstaff et al.

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