Aerospace housing and shaft assembly
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United States of America Patent
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Jul 10, 2001
Grant Date -
N/A
app pub date -
Jun 8, 1999
filing date -
Jun 20, 1996
priority date (Note) -
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Importance
Abstract
A seal assembly having a first seal ring of a generally annular shape and defining radial and circumferential directions, and a second seal ring positioned in facing relation to the first seal ring. One of the first seal ring and the second seal ring includes a plurality of hydropads. Each hydropad has an inner edge oriented substantially circumferentially, an outer edge oriented substantially circumferentially and spaced radially outward from the inner edge, a leading edge interconnecting the inner edge with the outer edge, and a trailing edge interconnecting the inner edge with the outer edge. Both the leading edge and the trailing edge are substantially straight and are positioned at the same angle relative to a radial axis passing through a mid-point of each edge, respectively.
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