Unthrottled engine operation with a heated air cycle

Details Unthrottled engine operation with a heated air cycle Unthrottled engine operation with a heated air cycle

1992-03-23

1999-12-07

Kamen, Noah P.

Internal-combustion engines

Charge forming device

Heating of combustible mixture

123348, 123405, F02G 500

Patent

active

059965606

ABSTRACT:
A method of operating an automotive-type engine at part loads by eliminating engine throttling altogether and controlling the intake flow by heating the intake air and utilizing variable late or early intake valve closings.

REFERENCES:
patent: 4700684 (1987-10-01), Pischinger et al.
patent: 4945870 (1990-08-01), Richeson
patent: 5076248 (1991-12-01), Schatz
"Variable Valve Closure Timing for Load Control and the Otto Atkinson Cycle Engine" Saunders et al.; Mar. 1989, SAE. 890677.
"Controlling Engine Load by Means of Early Intake-Valve Closing", Tuttle; Feb. 1982, SAE 820408.
"The Otto-Atkinson Engine--A New Concept in Automotive Economy", Loria et al.; Feb. 1982, SAE 820352.
"Controlling Engine Load by Means of Late Intake-Valve Closing", Tuttle; 1980, SAE 800794.

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