Back to results
US 9,500,170 B2Granted
Fuel injection system
AssigneePicospray, LLC
InventorLihang Nong
Life of this patent
Estimating the term…
Abstract
A fuel injector is provided. The fuel injector includes a sleeve having a first end proximate an outlet; a piston slidingly received in the sleeve, the piston having a first end proximate the outlet; a pumping chamber at least partially defined by the sleeve between the first end of the piston and the outlet; and a normally-open inlet valve through which fuel passes to enter the pumping chamber.
Claims13
A fuel injector, comprising:
- a sleeve having a first end proximate an outlet;
- a piston slidingly received in the sleeve, the piston having a first end proximate the outlet;
- a pumping chamber at least partially defined by the sleeve between the first end of the piston and the outlet;
- and
- a normally-open inlet valve through which fuel passes to enter or exit the pumping chamber;
- wherein the normally-open inlet valve comprises a valve spring configured to bias the normally-open inlet valve to an open position for a portion of a compression stroke of the piston;
- and
- wherein the normally-open inlet valve closes in response to a movement of the piston during the compression stroke.
5 more elements
Dependencies are inferred from the claim text.