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US 2006/0065478 A1Published application
Compressor sound suppression
OwnerDavid Rockwellinventor
Life of this patent
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Abstract
A compressor includes a housing and one or more working elements. A muffler is located downstream of the discharge plenum and a helmholtz resonator is located in the discharge plenum upstream of the muffler.
Claims19
A compressor comprising:
- a housing;
- a first rotor having a first rotational axis;
- a second rotor having a second rotational axis and enmeshed with the first rotor;
- a third rotor having a third rotational axis and enmeshed with the first rotor;
- an outlet plenum;
- a muffler downstream of the outlet plenum;
- a centerbody within the outlet plenum and having:
- an outer surface;
- at least one internal volume;
- and
- at least one port in the outer surface providing communication between the internal volume and an interior of the outlet plenum.
8 more elements
A compressor comprising:
- a housing;
- a one or more working elements;
- a discharge plenum;
- a muffler downstream of the discharge plenum;
- and
- a helmholtz resonator in the discharge plenum upstream of the muffler.
3 more elements
A compressor comprising:
- a housing;
- a one or more working elements;
- a discharge plenum;
- a muffler downstream of the discharge plenum;
- and
- means in the discharge plenum upstream of the muffler for limiting external sound radiated by the housing due to resonating of discharge pulsation from the one or more working elements.
3 more elements
A method for remanufacturing a compressor or reengineering a configuration of the compressor comprising:
- providing an initial such compressor or configuration having:
- a housing;
- a first rotor having a first rotational axis;
- a second rotor having a second rotational axis and enmeshed with the first rotor;
- a third rotor having a third rotational axis and enmeshed with the first rotor;
- and
- a discharge plenum;
- and
- placing a helmholtz resonator in the discharge plenum.
6 more elements
Dependencies are inferred from the claim text.