Pressure measuring type flow measuring device, system and method for electric integrated pump

• Main Authors: ZHAO XUEQIAN, YIN HAIYU, CHEN MANTANG, LI XIJIANG, MA XUESONG, HUANG CHANGXIANG
• Format: Patent
• Language: Chinese; English
• Published: 24.05.2024
• Subjects: BLASTING; COMBUSTION ENGINES; HEATING; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS; LIGHTING; MECHANICAL ENGINEERING; SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF; WEAPONS

The invention provides a pressure measuring type flow measuring device, system and method for an electric integrated pump, and the device comprises a first pressure sensor which is disposed between a pre-booster pump and an inlet of a cooling channel, and is used for measuring the first oil pressure between the pre-booster pump and the inlet of the cooling channel; the second pressure sensor is arranged between the outlet of the cooling channel and the main pump, and the second pressure sensor is used for measuring second oil liquid pressure between the outlet of the cooling channel and the main pump; the temperature sensor is arranged between the outlet of the cooling channel and the main pump, and the temperature sensor is used for measuring the temperature of oil between the outlet of the cooling channel and the main pump; and the flow calculation unit is used for calculating and obtaining the fuel mass flow according to the first oil pressure, the second oil pressure and the oil temperature. By means of t