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Coupling and Control Assembly Including a Non-Contact, Linear Inductive Position Sensor

A non-contact, position-sensing technology, applied in transmission control, non-mechanical drive clutches, clutches, etc., can solve the problems of measurement accuracy, cost, and use of coils

Pending Publication Date: 2021-10-01
MEANS IND INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the necessary gap or tolerance between the sensor and the object being sensed, the actual linear clutch measurement accuracy may be affected when the sensor is not in physical contact with the object being sensed
Also, current sensing systems that solve this problem use coils and relatively expensive certain ASICs

Method used

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  • Coupling and Control Assembly Including a Non-Contact, Linear Inductive Position Sensor
  • Coupling and Control Assembly Including a Non-Contact, Linear Inductive Position Sensor
  • Coupling and Control Assembly Including a Non-Contact, Linear Inductive Position Sensor

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Embodiment Construction

[0079] As required, detailed embodiments of the present invention are disclosed herein; however, it should be understood that the disclosed embodiments are merely examples of the invention that can be embodied in altered and alternative forms. The figures are not necessarily to scale; some features may be exaggerated or minimized to show details of particular components. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a representative basis for teaching one skilled in the art to variously employ the present invention.

[0080] now refer to Figure 4 and Figure 5 , Figure 1 to Figure 3 The prior art assembly or DCC 12 has been modified to include a non-contact linear inductive position sensor, generally indicated at 80. Figure 4 and Figure 5 Alternative locations for the sensor 80 on the stator housing plates 48 and 52 are shown.

[0081] The position sensor or eddy current sensor 80 works by ge...

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Abstract

A coupling and control assembly including a non-contact, linear inductive position sensor is provided. The assembly includes a coupling housing and a stator structure disposed within the coupling housing and including a stator housing. A translator structure is coupled to a coupling member of the assembly to rotate therewith about a rotational axis. The sensor is mounted on one of the housings. The translator structure includes a coupler element made of an electrically conductive material. The sensor is configured to create a magnetic field to induce eddy currents in the electrically conductive material. Movement of the coupler element changes a magnetic field caused by the eddy currents. The sensor provides a position feedback signal for vehicle transmission control. The signal is correlated with the linear position of the translator structure along the rotational axis.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of U.S. Provisional Application No. 63 / 002,458, filed March 31, 2020, and claims priority to U.S. Application No. 17 / 171,027, filed February 9, 2021, the disclosures of which are incorporated by reference Incorporated into this article as a whole. technical field [0003] The present invention relates generally to coupler and controller assemblies, each having a non-contact linear inductive position sensor, and in particular to such assemblies that use linear inductive position sensors to sense transducer position. Background technique [0004] A typical one-way clutch (OWC) consists of an inner ring, an outer ring and a locking device located between the two rings. One-way clutches are designed to lock in one direction while allowing free rotation in the other direction. Two types of one-way clutches commonly used in vehicle automatic transmissions include: [0005] The roller ty...

Claims

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Application Information

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IPC IPC(8): F16D27/00F16D27/14F16H61/02G01B7/00
CPCF16D27/004F16D27/14F16H61/0213G01B7/003F16D2300/18F16D41/125F16D41/14F16D27/108F16D41/16F16D2023/123F16D27/01F16D27/102
Inventor 瑞安·W·埃森马凯尔
Owner MEANS IND INC
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