About 15 results
https://drivepatents.com/patents/983584 · 9 Oct 2013
The device has a cylinder supplied with gas e.g. liquid petroleum gas or compressed natural gas, via mechanical, electrical, magnetic or piezoelectrically steered injectors (6). A pressure sensor (5) detects pressure in a region of compressed intake air (3...
https://drivepatents.com/patents/985165 · 3 Apr 2013
The invention concerns a method of determining the velocity of a pintle assembly in a solenoid fuel injector during a closing stroke of the pintle assembly, wherein a braking step is performed during the closing stroke, which comprises operating an injecto...
https://drivepatents.com/patents/995202 · 12 Dec 2012
Provided is a fuel switchover control device for an internal combustion engine which can use multiple types of fuel. The fuel switchover control device includes controller which, when first fuel is being used, performs different types of fuel switchover co...
https://drivepatents.com/patents/1075153 · 10 Aug 2005
Process for controlling an internal combustion engine, especially with lean operation, to achieve pre-determined nitrogen oxide emission values comprises determining, preferably directly, the actual value of the lambda value or the calorific value of a fue...
https://drivepatents.com/patents/1082644 · 3 Nov 2004
A directly actuated injection valve comprises a hollow valve housing, a valve needle disposed within the hollow interior, a needle spring, an actuator assembly, and a hydraulic link assembly. The actuator assembly generates an opening force that acts again...