Apparatus for shielding and protecting an air flow rate meter di

Details Apparatus for shielding and protecting an air flow rate meter di Apparatus for shielding and protecting an air flow rate meter di

1985-03-12

1986-03-25

Myracle, Jerry W.

Measuring and testing

Simulating operating condition

Marine

73204, G01M 1500

Patent

active

045774951

ABSTRACT:
An apparatus for shielding and protecting an air flow rate meter from air column fluctuations arising in an intake tube from the aspirating action of an internal combustion engine is proposed. The apparatus includes at least one elastic diaphragm disposed on the intake tube downstream in the vicinity of the air flow rate meter. The diaphragm divides a damping chamber communicating with the intake tube downstream of the air flow rate meter from the atmosphere and by its elasticity causes a virtually constant pressure to be maintained in the damping chamber.

REFERENCES:
patent: 4299121 (1981-11-01), Asayama et al.

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