Air chiller unit

Details Air chiller unit Air chiller unit

2006-11-21

2006-11-21

Jones, Melvin (Department: 3744)

Refrigeration

Refrigeration producer

With lubricant handling means

C062S085000

Reexamination Certificate

active

07137273

ABSTRACT:
The invention provides an improved air chiller unit mounted on an aircraft for sending cooled air to service carts used for serving meals. A compressor20of a refrigerant equipped in an air chiller unit has a motor210and a rotary compressor220disposed in a cylindrical housing200. An oil separator unit240attached to the top portion of a drive shaft214of the motor has two disks241and242which define two labyrinth portions G1and G2for effectively separating lubricating oil from the refrigerant traveling toward a refrigerant exit203.

REFERENCES:
patent: 4545742 (1985-10-01), Schaefer
patent: 4715800 (1987-12-01), Nishizawa et al.
patent: 5222874 (1993-06-01), Unnewehr et al.
patent: 5491979 (1996-02-01), Kull et al.
patent: 5605047 (1997-02-01), Park et al.
patent: 2003/0042361 (2003-03-01), Simadiris et al.

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