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Actuator for operating a differential lock

A differential lock and actuator technology, applied in the direction of differential transmission, clutch, transmission, etc., can solve problems such as motor overheating

Inactive Publication Date: 2011-06-15
MERITOR HEAVY VEHICLE SYST CAMERI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This uses considerable energy and can cause the motor to overheat under adverse conditions

Method used

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  • Actuator for operating a differential lock
  • Actuator for operating a differential lock
  • Actuator for operating a differential lock

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0050] Referring to the figures, an actuator 10 having a housing 12 is shown.

[0051] Housing 12 is a two-part housing having a first part 14 and a second part 15 . Contained within the housing 12 are a first motor 20 (in this example an electric motor) and a second motor 30 (in this example an electric motor). The first motor 20 selectively drives a first motor pinion 22 and the second motor selectively drives a second motor pinion 32 . A first motor intermediate gear set 24 includes a first larger gear 25 and a first smaller gear 26 . A second motor intermediate gear set 34 includes a second larger gear 35 and a second smaller gear 36 . A ring gear 40 includes a ring body 41 having a radially inwardly facing array 42 of gear teeth (shown schematically). The ring body 41 is connected to a hub 44 via a flange 43 . Hub 44 has a cylindrical outer surface 45 and a threaded central bore 46 .

[0052] The actuator 10 also includes an actuator element 50 . In this case, the a...

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PUM

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Abstract

An actuator for operating a differential lock includes a chassis, a first motor mounted on the chassis and including a first motor pinion, a second motor mounted on the chassis and including a second motor pinion, and a ring gear rotatably mounted on the chassis about a ring gear axis and having a ring gear thread defined about the ring gear axis. The actuator includes an actuator element having an actuator element thread in engagement with the ring gear thread and having a feature for preventing rotation of the actuator element thread, the first motor pinion and second motor pinion being operable to drive the ring gear.

Description

technical field [0001] The present invention relates to an actuator, in particular an actuator for operating a differential lock of a land vehicle such as a truck or a passenger car. The invention also relates to a method of operating a differential. Background technique [0002] Differentials in rear axles of trucks are known. Their purpose is to allow the right and left wheels of the truck to turn at different speeds while still sending power to those wheels. Therefore, when the truck is going through a bend, the inside wheel will travel slower than the outside wheel, and the differential will allow for this difference in rotational speed while still maintaining power to both wheels. GB1130112 shows an example of a differential mechanism. A drive pinion turns a crown gear. The crown gear is attached to the differential case. The housing drives intermediate gears which in turn drive right and left differential gears which are rotatably connected to right and left drive...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H48/30
CPCF16H25/20F16H48/30F16H2048/343F16H48/24F16D11/10F16H2025/2081F16H2025/2068
Inventor 罗伯托·贾诺内基亚拉·塞萨里马可·巴西
Owner MERITOR HEAVY VEHICLE SYST CAMERI