Turbofan for window-type air conditioner
AssigneeLG Electronics Inc.
InventorsSung Chun Kim, Young Min Park
Life of this patent
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Abstract
A turbofan for a window-type air conditioner which includes a hub, seven to eleven blades located at a predetermined separation from the hub and gradually narrowed in their width toward the hub; and a shroud attached to the blades in opposition to the hub, wherein the entire width of the turbofan is 35-45% of an outer diameter of the blades, the exit width of the turbofan is 50-60% of the entire width, the entrance width of the turbofan is 85-92% of the entire width, the hub-side inner diameter of the blades is 45-55% of the outer diameter of the blades, and the shroud-side inner diameter of the blades is 60-70% of the outer diameter of the blades.
Claims18
A turbofan for a window air conditioner, comprising:
- a hub;
- a plurality of blades located at a predetermined separation from the hub and gradually narrowed in their width toward the hub;
- and
- a shroud attached to the blades in opposition to the hub;
- wherein an entire width of the turbofan is 35-45% of an outer diameter of the blades, an exit width of the turbofan is 50-60% of the entire width, an entrance width of the turbofan is 85-92% of the entire width, a hub-side inner diameter of the blades is 45-55% of the outer diameter of the blades, and an shroud-side inner diameter of the blades is 60-70% of the outer diameter of the blades.
An air conditioner for mounting in a window, comprising:
- a compressor for compressing a refrigerant;
- a condenser for condensing the refrigerant from said compressor;
- an evaporator;
- and
- a turbofan for circulating air through the evaporator, wherein said turbofan includes:
- a hub;
- a plurality of blades located at a predetermined separation from the hub and gradually narrowed in their width toward the hub;
- and
- a shroud attached to the blades in opposition to the hub;
- wherein an entire width of the turbofan is 35-45% of an outer diameter of the blades, an exit width of the turbofan is 50-60% of the entire width, an entrance width of the turbofan is 85-92% of the entire width, a hub-side inner diameter of the blades is 45-55% of the outer diameter of the blades, and a shroud-side inner diameter of the blades is 60-70% of the outer diameter of the blades.
Dependencies are inferred from the claim text.