Micro-dynamic oil return resonance bypass type electronic fuel injector with hydraulic feedback function
An electronically controlled fuel injection and force feedback technology, which is applied in the direction of engine components, machines/engines, fuel injection devices, etc., can solve the problems such as difficulty in realizing rapid seat response of the needle valve, inconsistent injection process, and unstable fuel injection process. Achieve the effect of realizing micro-dynamic oil return function, reducing fuel pressure wave, and improving control accuracy and flexibility
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[0022] The present invention is described in more detail below in conjunction with accompanying drawing example:
[0023] to combine Figure 1-5 The main structure of a micro-dynamic oil return resonant bypass electronically controlled fuel injector with hydraulic feedback in the present invention includes a fuel injector head 1, a fuel injector body 11, a flow limiting valve assembly 3, a solenoid valve assembly 10, a tight Cap 9, needle valve assembly 5, nozzle 6. The fuel injector head 1 is connected with the fuel injector body 11 through threads, and is sealed with a sealing ring 12 placed on the fuel injector body 11 . The main oil inlet hole 13 on the injector head 1 communicates with the accumulator chamber 2 in the injector body 11 . Below the injector body 11 is a solenoid valve assembly 10 , a nozzle 6 and a needle valve assembly 5 , which are assembled and connected by a tight cap 9 . The flow limiting valve assembly 3 is placed inside the fuel injector body 11, ...
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