Device for determining mass flow and direction of flow

Details Device for determining mass flow and direction of flow Device for determining mass flow and direction of flow

1988-07-15

1989-04-18

Dolinar, Andrew M.

Internal-combustion engines

Charge forming device

Fuel injection system

731182, 7320418, 7320424, F02D 4118

Patent

active

048217000

ABSTRACT:
In order to determine the correct mass flow of a rapidly pulsating stream of fluid, in particular in the intake duct 10 of an internal combustion engine, a device for determining the mass flow and the direction of flow is proposed which has a temperature sensor 17, a thermoelectric mass-flow sensor 16 and two temperature-measuring elements 12, 14 arranged adjacent said mass flow sensor. One temperature-measuring element 12 or 14 is located in the feed stream and the other temperature-measuring element 14 or 12 in the discharge stream of the thermal mass-flow sensor 16, depending on the direction of flow.

REFERENCES:
patent: 4125093 (1978-11-01), Platzer, Jr.
patent: 4199981 (1980-04-01), Young
patent: 4409828 (1983-10-01), Kohama et al.
patent: 4449397 (1984-05-01), Lauterbach
patent: 4548077 (1985-10-01), van Putten

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