Multi-part, joined rotors in hydraulic camshaft adjusters, having joint-sealing profiles, and method for producing the rotors
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United States of America Patent
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Mar 15, 2016
Grant Date -
Aug 28, 2014
app pub date -
May 1, 2014
filing date -
Nov 8, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The invention relates to a camshaft adjusting device (1) for an internal combustion engine and to a method for producing a camshaft adjusting device having a stator wheel (10) and a rotor wheel (11), wherein the rotor wheel (11) has a first body part (19) and a second body part (20), wherein a joining surface (19a) of the first body part (19) and a joining surface (20a) of the second body part (20) are joined to one another, and wherein depressions (21, 22) are formed in at least one of the joining surfaces (19a, 20a) in order to form the fluid ducts (17, 18) at least in sections. In order to provide a camshaft adjusting device (1) with an improved rotor wheel (11), which is formed from two body parts (19, 20), which can be joined to one another in an improved manner, a provision according to the invention is that at least one sealing means (25, 26) be provided in or on at least one joining surface (19a, 20a) with the sealing means being designed such that the fluid ducts (17, 18) are sealed off and that defined contact is obtained between the joining surfaces (19a, 20a), which are placed on top of one another.
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