About 13 results
https://drivepatents.com/patents/1071918 · 7 Dec 2005
A fuel injector has a valve group formed by a pintle (16) and seat (14). The valve group is biased shut by a spring (18). In order to prevent the closing force and speed varying with the hydraulic effects of fuel pressure in the injector, fuel is passed vi...
https://drivepatents.com/patents/1071928 · 7 Dec 2005
A fuel injector has a valve group formed by a pintle (16) and seat (14). The valve group is biased shut by a spring (18). In order to prevent the closing force and speed varying with the hydraulic effects of fuel pressure in the injector, fuel is passed vi...
https://drivepatents.com/patents/1073218 · 19 Oct 2005
A fuel injector for use in an engine has a pintle (32) biased by a coil spring (34). The spring tension is adjusted by rotating a sleeve (42) surrounding the spring (34), the sleeve (42) having a screw-threaded connection (44) to a fixed part (48) of the i...