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Injecting apparatus and method of using an injecting apparatus

A technology of injection devices and injectors, which is applied in the direction of fuel injection devices, fuel injection pumps, charging systems, etc., and can solve problems such as air pollution

Inactive Publication Date: 2017-09-08
RKLAB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Fuel will then be expelled from the engine, resulting in air pollution from the expelled unburned fuel

Method used

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  • Injecting apparatus and method of using an injecting apparatus
  • Injecting apparatus and method of using an injecting apparatus
  • Injecting apparatus and method of using an injecting apparatus

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0084] Referring to the drawings, there is shown an injector 10 having a generally cylindrical injector body 12 . On top of the injector is mounted a first solenoid valve 14 which operates a first valve 16 . A second solenoid valve 18 is mounted next to said first solenoid valve and operates a second valve 20 . A nozzle valve 22 is mounted within the body and includes a first valve part 24 and a second valve part 26 . A piston 28 is mounted within the end of the body opposite the first solenoid valve. Said body comprises a cylindrical sleeve 30 . The body includes various fluid ports / pathways / areas as follows:

[0085] ingress port 32

[0086] egress port 34

[0087] Cooling passage 36, including passage 37, passage 38 and passage 39

[0088] Control chamber 40, including area 41, area 42, area 43, area 44, area 45, area 46, area 47, area 48 and area 49

[0089] High pressure area 50

[0090] Area 52

[0091] exit pathway 54

[0092] Between the inlet port 32 and the...

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PUM

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Abstract

An injecting apparatus for injecting a fluid under pressure into an associated chamber, the injecting apparatus including: a body (12), a piston (28) movable in the body (12) under the action of fluid pressure in the associated chamber acting from externally against the piston (28), the piston being operable to compress fluid to be injected in a high pressure chamber, the piston being movable against the action of fluid pressure in a control chamber (40) whereby movement of the piston is selectively controllable by controlling the fluid in the control chamber (40), an injector valve and an associated injector orifice (72) in selective fluid communication with the high pressure chamber whereby high pressure fluid from the high pressure chamber can be injected through the injector orifice (72) upon opening of the injection valve (22).

Description

technical field [0001] The present invention relates to injection devices for injecting fluids under pressure, such as fuel injection devices for internal combustion engines, devices for injecting liquids, such as catalysts, under pressure into chemical reaction vessels, and other devices for injecting doses of fluids installation. [0002] While the invention applies to any situation where a metered dose of fluid is to be injected under pressure, it will be convenient to describe the invention with particular reference to injecting fuel into an internal combustion engine. Background technique [0003] Fuel injectors used in internal combustion engines, including both spark ignition engines and compression ignition (or diesel) engines, typically use external pumps to provide fuel at sufficient pressure for injection into the engine cylinders. The timing of the injection points in the engine working cycle is determined by externally controlling the operation of the nozzle va...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02M57/02F02M59/10F02M63/00F02M49/02F02M53/04
CPCF02M49/02F02M53/043F02M57/025F02M59/107F02M63/004F02M63/0043F02M63/0049F02M2700/075F02M47/00F02M53/04F02M57/02F02M59/10F02M63/00
Inventor 罗纳德·库克勒尔
Owner RKLAB