Valve train systems of internal combustion engines

Details Valve train systems of internal combustion engines Valve train systems of internal combustion engines

1975-01-13

1979-02-27

Lazarus, Ira S.

Internal-combustion engines

Accessories

Covers, trays, vibrators, corrosion inhibitors, air filters

123 9016, 123 9032, F02D 1306

Patent

active

041413334

ABSTRACT:
When individual cylinders of an internal combustion engine are disengaged from their power-consuming, power-producing role, engine efficiency at small to medium engine loads is improved significantly. This improvement is measured in enhanced fuel economy and reduced air pollutants from the engine's remaining active cylinders. Cylinders change from active to an inactive role as typical push rods and rocker arms of the valve trains are replaced with mechanisms which can hold selected intake valves closed and companion exhaust valves open continuously. Convertible valve trains change the power characteristics of cylinders in response to the remote operator's sensed conditions of load changes, special desired engine performance and desired fuel conservation.

REFERENCES:
patent: 2091451 (1937-08-01), Phillips
patent: 2948274 (1960-08-01), Wood
patent: 3945367 (1976-03-01), Turner
patent: 3964455 (1976-06-01), Brown

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