Fluid reaction surfaces (i.e. – impellers) – Support mounting – carrier or fairing structure
Reexamination Certificate
2006-11-07
2010-10-05
Cuff, Michael (Department: 3741)
Fluid reaction surfaces (i.e., impellers)
Support mounting, carrier or fairing structure
C285S331000, C416S19800R, C415S216100
Reexamination Certificate
active
07806663
ABSTRACT:
The invention relates to a fastening arrangement of a pipe, which is coaxial to a longitudinal axis, on a shaft step, which is rotatably mounted around the longitudinal axis, for connecting of the two component parts, with a coaxial circumferential surface located on the shaft step, upon which circumferential surface at least partially lies the inner side of the pipe end which faces the shaft step. In order to disclose the creation of a fastening arrangement which is especially simple and inexpensive to manufacture and also free of wear during operation, it is proposed that the pipe end has notches distributed over the circumference, and an encompassing annular slot on the inner side of the pipe in the region of the notches, with a sleeve which is installed in the annular slot, covers the notches, and at least partially lies on the circumferential surface of the shaft step.
REFERENCES:
patent: 6053697 (2000-04-01), Piekarski et al.
patent: 7182579 (2007-02-01), Roso et al.
patent: 100 13 468 (2001-05-01), None
patent: 1 087 101 (2001-03-01), None
Buschmann Axel
Kunze Markus
Reichert Arnd
Cuff Michael
Kim Craig
Siemens Aktiengesellschaft
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