System and method for adjusting position of a compressor
AssigneeTyco Fire & Security GmbH
InventorsPaul William Snell, John Trevino, Jr.
Life of this patent
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Abstract
A heating, ventilation, air conditioning, and refrigeration (HVAC&R) system includes a compressor having a housing, a shaft disposed within and extending through the housing, and an impeller coupled to the shaft, where the shaft is configured to rotate relative to the housing and about an axis to rotate the impeller. The HVAC&R system also includes a controller configured to receive data indicative of a distance from a shroud of the impeller to the housing and to adjust a position of the shaft along the axis based on a comparison of the distance from the shroud of the impeller to the housing with a predetermined value.
Claims20
A heating, ventilation, air conditioning, and refrigeration (HVAC&R) system, comprising:
- a compressor, comprising:
- a housing;
- a shaft disposed within and extending through the housing;
- and
- an impeller coupled to the shaft, wherein the shaft is configured to rotate relative to the housing and about an axis to rotate the impeller;
- and
- a controller configured to:
- receive data indicative of a distance from a flat surface of a shroud of the impeller to the housing, wherein the flat surface extends along a circumference of the impeller;
- and
- adjust a position of the shaft along the axis based on a comparison of the distance from the flat surface of the shroud of the impeller to the housing with a predetermined value, wherein a sensor is directed at the flat surface.
A heating, ventilation, air conditioning, and refrigeration (HVAC&R) system, comprising:
- a controller configured to:
- receive, from a sensor disposed within a compressor, data indicative of a distance from a circumferential surface of a shroud of an impeller to a housing of the compressor, wherein the circumferential surface of the shroud is a flat surface;
- compare the distance to a predetermined value;
- and
- adjust a position of a shaft coupled to the impeller along a rotational axis of the shaft based on comparison of the distance from the flat surface of the shroud of the impeller to the housing with the predetermined value to adjust a position of the impeller relative to the housing, wherein the sensor is directed at the flat surface.
A heating, ventilation, air conditioning, and refrigeration (HVAC&R) system, comprising:
- a compressor, comprising:
- a housing;
- a shaft disposed within and extending through the housing;
- a thrust bearing disposed within the housing and coupled to the shaft;
- and
- an impeller disposed within the housing and coupled to the shaft, wherein the impeller comprises a plurality of blades and a shroud fixed to the plurality of blades, and the shroud comprises a flat surface extending about a circumference of the impeller;
- and
- a controller configured to control operation of the thrust bearing based on data indicative of a detected distance from the housing to the flat surface of the shroud of the impeller, wherein a sensor is directed at the flat surface.
Dependencies are inferred from the claim text.