Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing gas sample
Patent
1977-04-07
1979-04-03
Wolk, Morris C.
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Means for analyzing gas sample
91 50, 366116, 366124, 366273, B06B 118, F01L 1502
Patent
active
041475160
ABSTRACT:
An oscillatory mechanism, designed particularly for use in a laboratory shaker, includes a member, or a system of members, arranged to perform oscillatory movements, the transmission of power to that member or system, whereby its oscillation is caused or maintained, being by means of fluid pressure, the mechanism comprising means defining one or more chambers each having an inlet connectible to a source of pressurized fluid and an outlet through which, when open, pressurized fluid supplied to each chamber can escape; the respective chamber being expansible under the action of said pressurized fluid when each said outlet is closed; and wherein the motion of the oscillatory member or system in operation cyclically opens and closes each said chamber outlet, the consequent expansion of the respective chamber upon closure of the outlet delivering an impulse to said member or system whereby the oscillation thereof is caused or maintained.
REFERENCES:
patent: 2378979 (1945-06-01), Burt
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patent: 2490644 (1949-12-01), McGrew
patent: 2554212 (1951-05-01), Quinlan
patent: 2804777 (1957-09-01), Kerr-Lawson
patent: 3010439 (1961-11-01), Mee et al.
patent: 3224737 (1965-12-01), Becker
patent: 3228522 (1966-01-01), Strand
patent: 3807704 (1974-04-01), Janzen et al.
patent: 3889472 (1975-06-01), Guillaud
Frank William F.
Phillips Roger F.
Wolk Morris C.
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