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US 8,540,484 B2Granted
Low mass diffuser vane
AssigneeUnited Technologies Corporation
InventorsTimothy M. Hollman, Kevin K. Taft, Gordon F. Jewess
Life of this patent
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Abstract
A wedge-type diffuser includes a diffuser floor and a plurality of wedge-shaped vanes. The wedge-shaped vanes extend from the diffuser floor and have a top surface, a leading edge and a trailing edge. Each of the wedge-shaped vanes has a slot extending from the trailing edge toward the leading edge.
Claims17
An assembly comprising:
- a wedge-type diffuser including:
- a diffuser floor;
- a plurality of wedge-shaped vanes extending from the diffuser floor and including a top surface, a leading edge and a trailing edge, wherein each of the wedge-shaped vanes has a slot extending from the trailing edge toward the leading edge;
- and
- a plurality of bolt holes in each of the wedge-shaped vanes extending from the top surface toward the diffuser floor;
- wherein each of the slots intersects one of the plurality of bolt holes.
3 more elements
A gas turbine engine comprising:
- a rotor assembly comprising:
- a compressor impeller;
- and
- a turbine connected to the compressor impeller by a shaft;
- a combustor positioned along a gas flow path between the compressor impeller and the turbine;
- a wedge-type diffuser positioned along the gas flow path between the compressor impeller and the combustor, the wedge-type diffuser including:
- a diffuser floor;
- and
- a plurality of wedge-shaped vanes extending from the diffuser floor and including a top surface, a leading edge and a trailing edge, wherein each of the wedge-shaped vanes has a slot extending from the trailing edge toward the leading edge;
- a shroud attached to the wedge-type diffuser such that the plurality of wedge-shaped vanes are positioned between the shroud and the diffuser floor;
- and
- a plurality of bolts extending through bolt holes in each of the wedge-shaped vanes configured to connect the wedge-type diffuser to the shroud;
- wherein each of the slots intersects one of the plurality of bolt holes.
10 more elements
An assembly comprising:
- a wedge-type diffuser including:
- a diffuser floor;
- and
- a plurality of wedge-shaped vanes extending from the diffuser floor and including a top surface, a leading edge and a trailing edge, wherein each of the wedge-shaped vanes has a slot extending from the trailing edge toward the leading edge;
- and
- a plurality of bolt holes in each of the wedge-shaped vanes extending from the top surface toward the diffuser floor;
- wherein each of the slots intersects one of the plurality of bolt holes and has a width less than a diameter of the bolt hole.
4 more elements
Dependencies are inferred from the claim text.