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| 型号： | MPXV4115V |
| 厂商： | Motorola, Inc. |
| 英文描述： | Pressure Transducers(压力传感器) |
| 中文描述： | 压力传感器（压力传感器） |
| 文件页数： | 1/8页 |
| 文件大小： | 90K |
| 代理商： | MPXV4115V |
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Motorola, Inc. 2000
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Prepared by: Marc Osajda
Automotive Sensors Marketing
Sensor Products Division
Motorola Semiconductors S.A.
Toulouse France
BRAKING SYSTEMS
Different types of braking principles can be found in vehicles
depending on whether the brake system is only activated by
muscular energy or power assisted (partially or completely).
Muscular activated brakes are mostly found on motorcycles
and very light vehicles. The driver’s effort on the hand lever
or pedal is directly transmitted via a hydraulic link to the brake
pads.
Power assisted brakes are found on most passenger cars
and some light vehicle trucks. In this case, the driver’s effort
is amplified by a brake booster
to increase the force applied
to the brake pedal.
BRAKE BOOSTER OPERATION PRINCIPLE
The vacuum brake booster is a system using the differential
between atmospheric pressure and a lower pressure source
(vacuum) to assist the braking operation. The brake booster
is located between the brake pedal and the master cylinder.
Figure 1 shows a simplified schematic of a vacuum brake
booster.
When no brake pressure is applied on the push rod (brake
pedal side), the air intake valve is closed and the vacuum
valve open. Thus, both the vacuum and working chambers
are at the same pressure, typically around –70 kPa (70 kPa
below atmospheric pressure). Vacuum is generated by either
the engine intake manifold or by an auxiliary vacuum pump.
Figure 1. Brake Booster Simplified Schematic
CONNECTION TO VACUUMPUMP
OR ENGINE INTAKE MANIFOLD
PUSH ROD FROM
THE BRAKE PEDAL
AIR INTAKE VALVE
WORKING CHAMBER
VACUUMCHAMBER
VACUUMVALVE
PISTION
RUBBER MEMBRANE
PUSH ROD TO
MASTER CYLINDER
Order this document
by AN4007/D
SEMICONDUCTOR APPLICATION NOTE
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MPXV4115V6T1 | 功能描述:板上安装压力/力传感器 INTEG SENSR SOP RoHS:否 制造商:Honeywell 工作压力:0 bar to 4 bar 压力类型:Gage 准确性:+ / - 0.25 % 输出类型:Digital 安装风格:Through Hole 工作电源电压:5 V 封装 / 箱体:SIP 端口类型:Dual Radial Barbed, Same sides |
| MPXV4115V6U | 功能描述:板上安装压力/力传感器 INTEG SENSR SOP RoHS:否 制造商:Honeywell 工作压力:0 bar to 4 bar 压力类型:Gage 准确性:+ / - 0.25 % 输出类型:Digital 安装风格:Through Hole 工作电源电压:5 V 封装 / 箱体:SIP 端口类型:Dual Radial Barbed, Same sides |
| MPXV4115VC6U | 功能描述:板上安装压力/力传感器 PORTED SOP INT PRES SENSR RoHS:否 制造商:Honeywell 工作压力:0 bar to 4 bar 压力类型:Gage 准确性:+ / - 0.25 % 输出类型:Digital 安装风格:Through Hole 工作电源电压:5 V 封装 / 箱体:SIP 端口类型:Dual Radial Barbed, Same sides |
| MPXV5004 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Integrated Silicon Pressure Sensor On-Chip Signal Conditioned, Temperature Compensated and Calibrated |
| MPXV5004_09 | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Integrated Silicon Pressure Sensor On-Chip Signal Conditioned, Temperature Compensated and Calibrated |
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