Tank filling level indicator, especially for a device for countr

Details Tank filling level indicator, especially for a device for countr Tank filling level indicator, especially for a device for countr

1995-08-08

1997-08-19

Cuchlinski, Jr., William A.

Measuring and testing

Liquid level or depth gauge

Sight glass

73319, 116228, 2203661, 220374, G01F 2302, G01F 2356, B65D 5116

Patent

active

056576650

ABSTRACT:
A fill level indicator (7) for a tank (6) of an internal combustion engine (5) has a housing (8) with an inner chamber (9) connected to the tank (6) to allow the fill level indicator (7) to be visible. The housing (8) includes an upwardly directed housing strip (21) which projects laterally from an outer face (20) of the housing (8). The housing strip (21), when in a fitted condition, engages a groove (19) of an edge (16) to an upwardly directed opening (24) which is closed by a cover (14) which may be fixed to the housing (8). The cover (14) includes at least one lug (28) which is tensionable against the tank edge (16) and the cover (14) extends over an upper end (13) of the housing (8). A labyrinth seal is provided between the housing (8) and the cover (14), and the seal forms connecting ventilation channels (25, 26, 27), arranged one above the other.

REFERENCES:
patent: 1210385 (1916-12-01), Hunziker
patent: 1367164 (1921-02-01), Miller
patent: 2593172 (1952-04-01), Neumann
patent: 3062049 (1962-11-01), Javor
patent: 3453886 (1969-07-01), Avrea
patent: 3944104 (1976-03-01), Watson et al.
patent: 4036393 (1977-07-01), Neiman
patent: 4693393 (1987-09-01), DeMinco et al.
patent: 4971219 (1990-11-01), Dombeck et al.
patent: 5435454 (1995-07-01), Ishii

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