Fluid indicator for refrigeration system

Details Fluid indicator for refrigeration system Fluid indicator for refrigeration system

1988-06-14

1988-12-06

Cuchlinski, Jr., William A.

Signals and indicators

Indicators

Fluid flow

73323, G01F 1504

Patent

active

047889292

ABSTRACT:
A fluid indicator for viewing the condition of refrigerant flowing therethrough includes a brass body (12) having a cylindrical extending portion (26). The cylindrical extending portion includes a recess (30) bounded by a deflectable wall (28). An aperture (14) which includes a transparent glass pane (36) surrounded by a steel ring (38) is mounted in the recess and fixed therein by braze material. Tubes (16, 18) are brazeable into coupling portions (20, 22) of the body, and the fluid tight character of the indicator is unaffected despite failure to use a chill block, wet rag or other cooling device during the brazing operations.

REFERENCES:
patent: 2681034 (1954-06-01), Mannion
patent: 2844026 (1958-07-01), Wischmeyer et al.
patent: 3158130 (1964-11-01), Szymanski
patent: 3888205 (1975-06-01), Vitticore et al.
patent: 4064826 (1977-12-01), Pauli
patent: 4621527 (1986-11-01), Varga et al.

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