Household refrigeration; a complete treatise on the principles, types, construction, and operation of both ice and mechanically cooled domestic refrigerators, and the use of ice an by Hull H. B. (Harry Blair) b. 1890

Author:Hull, H. B. (Harry Blair), b. 1890
Language: eng
Format: epub, pdf
Tags: Refrigeration and refrigerating machinery
Publisher: Chicago, Nickerson & Collins co
Published: 1927-03-25T05:00:00+00:00

COMPRESSION REFRIGERATING MACHINES

271

sure to give any desired temperature. A special feature of the control device is that it limits the pressure of the suction gas to the compressor at the time of start so that no overload is placed on the motor.

FIG. 132.—SERVEL PRESSURE CONTROL CUT OPEN TO SHOW OPERATION'

OF PISTON.

The condenser is trombone shaped, cooled by two fans running in opposite directions. The four bladed fan on the motor pulley blows directly into and across the condenser. The large fan on the compressor flywheel draws the air out of the condenser. Exhaustive tests show^ conclusively that

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