Measuring and testing – Simulating operating condition – Marine
Patent
1982-07-07
1984-09-04
Goldstein, Herbert
Measuring and testing
Simulating operating condition
Marine
73202, G01F 500
Patent
active
044689578
ABSTRACT:
An apparatus for measuring the mass of a flowing medium, in particular, for measuring the aspirated air mass in internal combustion engines. The apparatus includes a flow conduit for the medium, embodied as an air intake tube and having a restricted section, into which a bypass line toward the restricted section discharges at a mouth. In the bypass line there is a temperature-dependent resistor, which ascertains the mass of air flowing via the bypass line, this mass being at a predetermined proportion to that flowing through the flow conduit of the medium, and this resistor via an electronic control unit triggers a fuel-injection valve in the flow conduit of the medium. The course of the flow cross section in the restricted section is determined by way of example by a shaped body surrounding the fuel injection valve. The mouth of the bypass line is located at the narrowest flow cross section of the restricted section, while downstream of the narrowest cross section and adjacent thereto, the flow cross section is enlarged by an amount which corresponds to the bypass line cross section at the mouth. As a result, undesirable falsification of the measurement signal at the temperature-dependent resistor which might be caused by pulsations in the air flow is prevented.
REFERENCES:
patent: 1143631 (1915-06-01), Keller et al.
patent: 2240119 (1941-04-01), Montgomery et al.
patent: 3443434 (1969-05-01), Baker et al.
patent: 3559482 (1971-02-01), Baker et al.
patent: 4373387 (1983-02-01), Nishimura et al.
patent: 4381668 (1983-05-01), Sato et al.
Goldstein Herbert
Greigg Edwin E.
Robert & Bosch GmbH
LandOfFree
Apparatus for measuring the mass of a flowing medium does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Apparatus for measuring the mass of a flowing medium, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus for measuring the mass of a flowing medium will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1885616