Injection pump throttle dashpot for transient smoke control

Internal-combustion engines – Engine speed regulator – Having condition responsive means with engine being part of...

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123385, F02D 3100

Patent

active

052938549

ABSTRACT:
The present invention provides a very simple structure to delay high fuel delivery to a turbocharged engine until a sufficient turbocharger boost pressure is available for adequate combustion, by providing a simple dashpot to limit movement of the throttle shaft. A brea-away throttle lever is used so that the operator can position the control lever at any position, even though the position of the throttle shaft itself is being limited by the dashpot. Preferably, the damping structure is entirely housed within the fuel injector pump, where it will be safe from debris, and constantly flushed with clean fuel.

REFERENCES:
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patent: 4200075 (1980-04-01), Takahashi
patent: 4328777 (1982-05-01), Yasohara
patent: 4368706 (1983-01-01), Yasohara
patent: 4567870 (1986-02-01), Tumber
patent: 4664079 (1987-05-01), Sakuranaka
patent: 4972819 (1990-11-01), Engfer

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