Liquid operated clock

Details Liquid operated clock Liquid operated clock

1979-07-16

1981-04-14

Miska, Vit W.

Horology: time measuring systems or devices

Chronological

With fluidic actuation means

368223, G04B 126, G04B 1900

Patent

active

042623480

ABSTRACT:
This liquid clock has a lower liquid reservoir and an upper-liquid reservoir connected by an overflow to the lower reservoir. A plurality of timekeeping reservoirs are positioned to allow liquid in them to stand at the same level as in the upper reservoir. Each of the timekeeping reservoirs has a liquid exit orifice which connects to one of a plurality of timekeeping tubes, each having timekeeping related indicia on it. A means is provided for dropping a liquid displacement member in each of the timekeeping reservoirs at predetermined time intervals, thus displacing liquid into the timekeeping tubes. A means for withdrawing the liquid displacement members from the timekeeping reservoirs does so between the predetermined time intervals. A pump supplies liquid to the upper reservoir from the lower liquid reservoir to maintain the level of liquid in the upper reservoir at the level of the overflow. Means is further provided for periodically emptying the timekeeping tubes at time related intervals. Flow of liquid through the timekeeping tubes provides an indication of time by changes of the liquid levels in the timekeeping tubes.

REFERENCES:
patent: 3815352 (1974-06-01), Kiesling
patent: 4028877 (1977-06-01), Vatterott

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