Re Propane injectors

[David Doddek]

Craig wrote:

>Is there such a thing as an electronically controlled diesel injector?
>(aka instead of the usual mechanical fuel pump distributor thing..)
>
Yes:

But diesel injection needs around 25,000 psi of fuel pressure, so the
injector is a plunger piston pump that is operated off a lobe of the cam
shaft (twice as wide as the one that opens the valves).  The electric
solenoid is a bypass port that when ON blocks the outlet of the injector
'pump' and forces it into the cylinder.  When OFF the flow returns to the
fuel tank.

David J. Doddek                                          |pantera at pobox.com
Owner SGD Electronics & Development Engr for Caterpillar |h 309 685-7965
Formula SAE Team Sidewinder 94-95                        |w 309 578-2931
89 T-bird SC,  69 Fairlane w/SGD EFI                     |fx 217 428-4686
74 Pantera w/Electromotive Tec-II Twin turbos and Nitros |
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