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US 2022/0118666 A1Published application
Injection unit for a shaping machine
AssigneeEngel Austria GmbH
InventorsGerhard DIMMLER, Christoph BALKA, Friedrich PERNKOPF
Life of this patent
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Abstract
An injection unit for a shaping machine includes an injection piston arranged displaceably in an injection cylinder and at least two drive units for displacement of the injection piston. Each of the at least two drive units is lubricated by an oil chamber which is oil-tightly sealed off in relation to the surroundings, and each oil chamber holds an oil volume, above which is arranged an air volume. The air volumes of the oil chambers are connected together in air-conducting relationship by a connecting conduit.
Claims7
An injection unit for a shaping machine comprising:
- an injection piston arranged displaceably in an injection cylinder;
- and
- at least two drive units for displacement of the injection piston,
- wherein each of the at least two drive units is lubricated by an oil chamber which is oil-tightly sealed off in relation to the surroundings, and each oil chamber holds an oil volume, above which is arranged an air volume, wherein the air volumes of the oil chambers are connected together in air-conducting relationship by a connecting conduit.
1 more element
Dependencies are inferred from the claim text.