Internal-combustion engines – Charge forming device – Fuel injection system
Reexamination Certificate
2005-09-06
2005-09-06
Argenbright, Tony M. (Department: 3747)
Internal-combustion engines
Charge forming device
Fuel injection system
C073S114220, C356S028500
Reexamination Certificate
active
06938611
ABSTRACT:
The flow meter is a device having a laser Doppler anemometer (LDA) which measures the instantaneous center line velocity of fluid flow in a pipe and processes the instantaneous velocity so obtained to compute the volumetric flow rate, mass rate, and other flow characteristics as instantaneous quantities and/or integrated over a time interval using an electronic processing method which provides an exact solution to the Navier-Stokes equations for any periodically oscillating flow. The flow meter is particularly adapted for measuring the flow characteristics of high pressure automotive fuel injection systems. Three embodiments of the flow meter are described, including a stationary stand for off-line bench testing flow rate in a fuel injection system, a portable flow meter for inline testing in a vehicle's fuel line, and an on-board flow meter sensor connected to an engine control module.
REFERENCES:
patent: 3933135 (1976-01-01), Zillman et al.
Argenbright Tony M.
Combustion Dynamics Corp.
Greenberg & Traurig, LLP
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