Measuring and testing – Simulating operating condition – Marine
Patent
1988-12-09
1989-12-19
Myracle, Jerry W.
Measuring and testing
Simulating operating condition
Marine
7320422, G01F 168
Patent
active
048874620
ABSTRACT:
An air flow rate meter having a support body that protrudes into the air intake tube of an internal combustion engine and has an aperture in which a hot wire is deployed over support points. A support body protrudes vertically into a horizontally extending intake tube with two apertures, one above the other, and includes both a first hot wire in the first aperture and a second hot wire in the second aperture, each in the form of a V, with the required tension. Each hot wire is secured with each of its ends to a respective support point and is guided with a loop over a middle support point. It is particularly advantageous to dispose the ends of each hot wire with the support points on the upper end face of each aperture, because in that case the heat buildup ensuing during a burn-off procedure enables particularly good burnoff of the deposits on the ends of each hot wire and any solder at the intersections of the individual loops is protected from overheating which would destroy the solder. The air flow rate meter is suitable in principle for measuring any flowing medium.
REFERENCES:
patent: 4299724 (1987-11-01), Knapp et al.
patent: 4322970 (1982-04-01), Peter
patent: 4561302 (1985-12-01), Sumal et al.
Greigg Edwin E.
Myracle Jerry W.
Robert & Bosch GmbH
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