Compressor for hvac&r system
AssigneeTyco Fire & Security GmbH
InventorsFlorin Valeriu Iancu, Paul William Snell, Bryson Lee Sheaffer
Life of this patent
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Abstract
A compressor for a heating, ventilation, air conditioning, and/or refrigeration (HVAC&R) system includes an impeller having a hub, a shroud, a first blade portion extending between the hub and the shroud, and a second blade portion extending external to the shroud along a direction of extension of the first blade portion from the hub to the shroud.
Claims20
A compressor for a heating, ventilation, air conditioning, and refrigeration (HVAC&R) system, comprising:
- an impeller, comprising:
- a hub;
- a shroud;
- a first blade portion extending between the hub and the shroud;
- and
- a second blade portion extending external to the shroud along a direction of extension of the first blade portion from the hub to the shroud.
An impeller for a compressor of a heating, ventilation, air conditioning, and refrigeration (HVAC&R) system, wherein the impeller comprises:
- a hub;
- a shroud;
- a first inlet configured to receive a first flow of working fluid;
- a second inlet configured to receive a second flow of working fluid, separate from the first flow of working fluid;
- and
- an impeller tip configured to discharge the first flow of working and the second flow of working fluid from the impeller.
A compressor for a heating, ventilation, air conditioning, and refrigeration (HVAC&R) system, comprising:
- an impeller, comprising:
- a hub;
- a shroud;
- a first blade portion extending between the hub and the shroud;
- a first inlet configured to direct a first flow of working fluid from an evaporator of the HVAC&R system to the first blade portion;
- a second blade portion extending external to the shroud;
- and
- a second inlet configured to direct a second flow of working fluid from an economizer of the HVAC&R system to the second blade portion,
- wherein the impeller is configured to discharge the first flow of working fluid and the second flow of working fluid into a diffuser passage of the compressor.
Dependencies are inferred from the claim text.