Sonic nozzle apparatus in a carburetor flow testing machine

Details Sonic nozzle apparatus in a carburetor flow testing machine Sonic nozzle apparatus in a carburetor flow testing machine

1976-07-30

1977-09-13

Myracle, Jerry W.

Measuring and testing

Simulating operating condition

Marine

G01M 1500

Patent

active

040474267

ABSTRACT:
A sonic nozzle apparatus in a carburetor flow testing machine comprising a measuring pipe passage connecting a carburetor to be tested and a pressure source such as a vacuum pump or the like, the measuring pipe passage being provided at an intermediate portion with a cutout section in which a tubular nozzle chamber can be selectively introduced in sealed relation. A plurality of such tubular nozzle chambers are mounted on a turntable to be selectively introduced into the cutout and each nozzle chamber contains a respective sonic nozzle therein. The nozzle chambers are disposed circumferentially at regular intervals and the turntable is intermittently turnable on a support shaft disposed on one side of the measuring pipe passage. One of the mutually opposite surfaces of an upstream and a downstream portion of the measuring pipe passage divided by the cutout is constituted as a piston which is movable by a pressure fluid to selectively effect clamping or release of the nozzle chamber when aligned in the cutout.

REFERENCES:
patent: 3079796 (1963-03-01), Freudenthal et al.
patent: 3469442 (1969-09-01), Brueckner

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