Injector for liquid or gaseous fuels and method for operating such an injector
OwnerAlexander Fuchsinventor
Life of this patent
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Abstract
Injector (1) for the metered dispensing of a gaseous or liquid fuel, having a housing (2) which has a fuel chamber (11) which is fillable with fuel under an injection pressure, and a valve body (3) which is surrounded by a casing tube (7), wherein an intermediate space is formed between the valve body (3) and the casing tube (7), which is part of the fuel chamber (11), wherein one end of the casing tube (7) forms a sealing point (40) with the valve body (3) in order to seal the fuel chamber (11) off from the outside. A return chamber (45) is formed in the housing (2), which is connected to a return line (46) and is separated from the fuel chamber (11) by the sealing point (40).
Claims12
An injector (1) for metered dispensing of a gaseous or liquid fuel, having a housing (2) which has a fuel chamber (11) which is fillable with fuel under an injection pressure, and a valve body (3), which is surrounded by a casing tube (7), wherein an intermediate space is formed between the valve body (3) and the casing tube (7), which intermediate space is part of the fuel chamber (11), wherein one end of the casing tube (7) forms a sealing point (40) with the valve body (3) in order to seal the fuel chamber (11) to outside,
- wherein a return chamber (45) is formed in the housing (2), which is connected to a return line (46), and which is separated from the fuel chamber (11) by the sealing point (40).
Dependencies are inferred from the claim text.