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Control method for wireless fluid level sensor

A liquid level sensor, sensor technology, applied in the direction of displaying liquid level indicators, wireless architecture, instruments, etc. through pressure measurement

Active Publication Date: 2016-07-27
GM GLOBAL TECH OPERATIONS LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

While a dipstick is a reliable method of checking the oil level, it requires the vehicle operator to open the hood of the vehicle and remove the dipstick from the engine

Method used

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  • Control method for wireless fluid level sensor
  • Control method for wireless fluid level sensor
  • Control method for wireless fluid level sensor

Examples

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Embodiment Construction

[0050] Example embodiments will now be described more fully with reference to the accompanying drawings.

[0051] Example embodiments are provided so that this disclosure will be thorough, and will fully convey the scope to those who are skilled in the art. Numerous specific details are set forth, such as examples of specific components, devices and methods, to provide a thorough understanding of embodiments of the present disclosure. It will be apparent to those skilled in the art that specific details may not be employed, that example embodiments may be embodied in many different forms and that neither should be construed to limit the scope of the disclosure. In some example embodiments, well-known processes, well-known device structures, and well-known technologies are not described in detail.

[0052]The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting. As used herein, the singular forms "a", ...

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Abstract

A control method for a wireless oil level sensor includes mounting a wireless oil pressure sensor to the oil plug of an engine. The oil pressure sensor detects a pressure which is used to determine a volume or level of oil in the oil pan. The oil level sensor can include an accelerometer sensor that can be excited by the vibration caused by the starting of the engine to ''wake up'' the sensor. The sensor can take an initial pressure reading at start up and associate the pressure reading with an oil level that can then be transmitted to a vehicle control unit. The sensor can remain idle until the accelerometer sensor no longer detects engine vibrations. The sensor is activated to take pressure readings at predetermined time intervals and to transmit an associated oil level to the vehicle central processor unit until a predetermined time period has expired.

Description

technical field [0001] The present disclosure relates to control methods for wireless fluid level sensors, and more particularly to wireless fuel level sensors for internal combustion engines. Background technique [0002] This section provides background information related to the present disclosure which is not necessarily prior art. [0003] It is important to maintain the proper amount of oil in the engine in order to properly lubricate the engine. Typically, the engine is equipped with a dipstick that is manually removed from the engine in order to observe the dipstick filled oil level. While a fuel dipstick is a reliable method of checking the oil level, it requires the vehicle operator to open the hood of the vehicle and remove the dipstick from the engine. There is also an optional engine oil switch that notifies the operator of a low oil level. These oil switches must be wired into the vehicle and fixedly mounted within the oil sump at a fluid level representing ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01M11/12G01F23/14F02B77/08
CPCF01M11/12F02B77/08G01F23/14F01M2011/1446H04Q2209/883G07C2205/02H04Q9/00H04Q2209/40G07C5/006
Inventor D.R.斯塔利K.R.吉尔根巴赫E.W.施奈德B.G.哈蒙德
Owner GM GLOBAL TECH OPERATIONS LLC
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