Augmented vaneless diffuser containment
AssigneeHoneywell International Inc.
InventorsRobert P. Chen, Terry Morris, Deborah A. Osborne
Life of this patent
Estimating the term…
Abstract
A containment system comprises at least one passage obstructer extending from a housing inlet cover through a diffuser passage and into a housing back cover. The passage obstructer includes a fastener portion, such as a bolt, and an obstructing portion extending from and integral to a shaft of the fastener portion. The diameter of the obstructing portion is less than the diameter of the shaft, allowing the obstructing portion to bend upon impact with a burst impeller fragment.
Claims20
A system for an impeller comprising:
- a housing surrounding said impeller;
- a diffuser passage defined by said housing;
- and
- at least one passage obstructer having an obstructing portion, said obstructing portion extending through said diffuser passage.
An apparatus for a compressor having a vaneless diffuser comprising:
- a fastener portion;
- and
- an obstructing portion integral to said fastener portion, said obstructing portion extending axially through said vaneless diffuser.
A method of containing a burst impeller fragment comprising the steps of:
- obstructing a path of the burst impeller fragment with at least one passage obstructer;
- and
- adsorbing at least a portion of the energy of the burst impeller fragment.
Dependencies are inferred from the claim text.