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Title: Rotary seal

Abstract: Apparatus for impeding the leakage of a gaseous medium between the rotating and stationary components of a machine is disclosed. Various construction details which are specifically adapted for use in gas turbine engines are developed. Wide channel type sealing techniques are discussed in combination with honeycomb facing materials.


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Inventors: Ackermann, William (East Hartford, CT, US)

Application Number: 669424
Filing Date: 1976-03-23
Publication_date: 1980-08-19
Assignee: United Technologies Corporation (Hartford, CT)
Primary Class(es): 277/414 277/415, 277/941, 415/174.4, 415/174.5, 415/230
Other Classes:
US Patent Ref:
2963268Dec, 1960Smile et al.277/53.
3146992Sep, 1964Farrell415/174.
3339933Sep, 1967Foster277/53.
3365172Jan, 1968McDonough et al.277/53.
3603599Sep, 1971Laird415/174.
3719365Mar, 1973Emmerson et al.277/53.
3728039Apr, 1973Plemmons et al.415/174.

Other Refs: 855040
Nov, 1960GB

Primary Examiner: Aegerter, Richard E.
Assistant Examiner:
Attorney: Walker; Robert C.