Multi-part piston for a combustion engine
First Claim
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1. A multi-part piston for a combustion engine, comprising:
- a piston upper part having an piston crown;
a piston lower part;
an attachment head on the piston upper part, said attachment head being disposed on a side facing the piston lower part; and
an attachment element on the piston lower part, said attachment element holding the attachment head and being located on a side of the piston lower part facing the piston upper part;
wherein the attachment head is held in the attachment element by means of a press fit;
wherein the piston lower part is provided with an axially aligned annular collar facing the piston upper part, andwherein the piston upper part has an annular and all-round side wall that grips around the annular collar and is held by a press fit.
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Abstract
A multi-part piston for a combustion engine having a piston upper part and a piston lower part, where the piston upper part has a piston crown and an attachment head on its side facing the piston lower part, and the piston lower part has an attachment element in which the attachment head is held, the attachment element being disposed on a side facing the piston upper part. The attachment head is held in the attachment element by a press fit.
15 Citations
11 Claims
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1. A multi-part piston for a combustion engine, comprising:
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a piston upper part having an piston crown; a piston lower part; an attachment head on the piston upper part, said attachment head being disposed on a side facing the piston lower part; and an attachment element on the piston lower part, said attachment element holding the attachment head and being located on a side of the piston lower part facing the piston upper part; wherein the attachment head is held in the attachment element by means of a press fit; wherein the piston lower part is provided with an axially aligned annular collar facing the piston upper part, and wherein the piston upper part has an annular and all-round side wall that grips around the annular collar and is held by a press fit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A multi-part piston for a combustion engine, comprising:
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a piston upper part having an piston crown; a piston lower part; an attachment head on the piston upper part, said attachment head being disposed on a side facing the piston lower part; and an attachment element on the piston lower part, said attachment element holding the attachment head and being located on a side of the piston lower part facing the piston upper part; wherein the attachment head is held in the attachment element by means of a press fit, and wherein the attachment element has a blind hole.
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Specification