# US 4,398,400 A · Terminal board and relays casing assembly in motor compressors for refrigerators

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- Number: US 4,398,400 A
- Document ID: US4398400A
- Status: Granted
- Kind: A
- Application number: 06/316,356
- Filed: 1981-10-29
- Granted: 1983-08-16
- Earliest claimed: 1980-11-03
- Assignees: Necchi Societa per Azioni
- Inventors: Alfredo Bar
- Web page: https://patentgrep.com/patent/US4398400A

## CPC

- F04B 39/121: {Casings}
- F25B 31/00: Compressor arrangements
- F25B 2400/077: Compressor control units, e.g. terminal boxes, mounted on the compressor casing wall containing for example starter, protection switches or connector contacts
- F04B: POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS (machines for liquids, or pumps, of rotary-piston or oscillating-piston type F04C; non-positive-displacement pumps F04D; pumping of fluid by direct contact of another fluid or by using inertia of fluid to be pumped F04F)
- F25B: REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS

## Abstract

Terminal board and relays casing assembly externally fixed in a suitable position on the sealed motor compressor housing placed in a suitable compartment defined in the lowest rear portion of the refrigerator. A side wall of the box in front of an observer who places himself behind the refrigerator, acts as a mounting for the terminal board, the electrical mains supply feeder cable being connected thereon. A cover slides on a suitable guide shaped to contain in the box the terminal board, the thermal protector and starting relays.

## Claims

### Claim 1

Terminal board and relays casing box and removable cover for sealed motor compressors forming an assembly positionable sideways on the outer surface of the motor compressor housing, said box defining four side walls, a base and an outer opening, said base being closed by the housing and said outer opening being closed by said removable cover, three of said four sides of said box defining guides into which slide sides of said cover, the fourth of said sides defining pins extending horizontally from said side and spaced vertically from each other and tongues extending horizontally from said side and positioned between said pins to which pins are positioned connecting links, said cover defining a recess portion to enclose the terminal board directly arranged on the outer surface of the said motor compressor housing.