Pump assembly including a hermetically sealed switch capsule for

Details Pump assembly including a hermetically sealed switch capsule for Pump assembly including a hermetically sealed switch capsule for

1993-05-14

1994-06-28

Gluck, Richard E.

Pumps

Condition responsive control of pump drive motor

Responsive to accumulation of pumped liquid in receiver

200 84C, F04B 4904

Patent

active

053241711

ABSTRACT:
A pump assembly having a hermetically sealed switch cavity for retaining a magnetically actuated mechanical switch. The assembly includes a housing having a motor cavity and an integral guide for cooperating with an external float assembly. A housing cover includes electrically conductive pins extending therethrough and is connected to the housing to substantially seal the motor cavity. A switch cover cooperatively engages a portion of the housing cover to form the hermetically sealed switch cavity. The switch cavity also encloses at least one conductive pin in the housing cover.

REFERENCES:
patent: 2730591 (1956-01-01), Nielsen
patent: 3450051 (1969-06-01), Anthon
patent: 3897172 (1973-07-01), Hall
patent: 4060182 (1977-11-01), Kikuchi
patent: 4129140 (1978-12-01), Carlin
patent: 4339231 (1982-07-01), Conery et al.
patent: 5100343 (1992-03-01), Peterson
patent: 5155311 (1992-10-01), Utke
patent: 5181832 (1993-01-01), Reents

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