The closure bolt (5) has high-pressure port (20) that is formed for injection of high-pressure fuel. A bolt-like portion (4) inserted into opening of injector (1) is provided with sealing surface (6) that closes opening of high-pressure port in tight manne...

The invention is related to an injection valve comprising a hollow fluid inlet portion (1) with a check valve (2), wherein the check valve (2) comprises a support means (3) and a ball (4) .

A fuel injection valve (1) configured such that control of the escape of high-pressure fuel inside a control chamber (45) to a fuel low-pressure portion is conducted by an electromagnetic valve (5) for controlling fuel injection configured such that a lift...

A check valve (8) and a booster (9) are inserted in parallel in a supplied fuel line (6) connecting a common rail (5) and an injection valve (7), a piston (10E) of a hydraulic circuit (10) is driven for positioning by a piezoelectric actuator (PA-1), the p...

A fuel injection device, wherein a plurality of high-pressure fuel feed parts each comprising a supply pump part and fuel metering part are disposed, in parallel with each other, between a feed pump part sucking fuel from a fuel tank and a common rail so t...

A seal arrangement having a bore within which a component (13) is to be received, in use, the seal arrangement comprising a seal member (10) formed from a resilient material, the seal member (10) having an inner periphery (12a) and an outer periphery (12b)...