Patent ID: 9291166
Filing Date: 2016-03-22
CPC Classification: F04D

Claim Text:
1. A cooling system provided for a motor powering a compressor in a vapor compression system further comprising a condenser and an evaporator, the cooling system comprising: a housing enclosing the motor; a cavity located within the housing; a fluid circuit having a first connection with the housing configured to provide a liquid or two phase cooling fluid from the condenser to the motor, the two phase cooling fluid being separable into a vapor phase portion and a liquid phase portion, the fluid circuit further having a second connection with the housing to remove cooling fluid in fluid communication with the fluid circuit, cooling fluid flowing from the first connection to the second connection being prevented from being circulated inside the housing to the motor components that are movable with respect to the housing, the cooling fluid conveyed through the second connection being two phase cooling fluid, the fluid circuit further having a third connection with the housing for receiving and circulating in the cavity the vapor phase portion conveyed through the second connection; and a conduit positioned between the second connection and the third connection for conveying two phase cooling fluid therebetween; wherein the conduit includes a vessel positioned upstream of the evaporator for separating the liquid phase portion from the vapor phase portion exiting the housing from the second connection, the only inlet path leading cooling fluid to the vessel being that extending from the second connection with the housing to the vessel; wherein the vessel defines a compartment for separating the liquid phase portion from the vapor phase portion exiting the housing from the second connection; wherein the compartment is positioned interior of the housing.