Perpendicular Pinion Gear With Continuous Toothing
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Solution Overview
Problem
Existing transmissions with pinions and wheels struggle to efficiently transmit high torque in a compact construction volume while maintaining ease of manufacturing and alignment.
Innovation Solution
A transmission design featuring a cylindrical pinion with uninterrupted, continuous toothing that meshes with two spaced toothed areas on the wheel, where the pinion axis is perpendicular to the wheel axis, utilizing a uniform worm gearing profile and combining face and worm wheel toothing sections for enhanced engagement and stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If a pinion with continuous toothing meshes with two spaced toothed areas on a wheel, then high torque can be transmitted in a compact construction volume, but the manufacturing complexity increases
Solution Approach 1:
The wheel is divided into two spaced toothed areas on its end face, allowing the pinion to mesh with both areas simultaneously. This segmentation enables high torque transmission through dual engagement points while maintaining a compact construction volume, as the two toothed areas are positioned to work together in transmitting power from the pinion axis to the wheel axis
Solution Approach 2:
The pinion with continuous toothing serves multiple functions: it engages with both toothed areas of the wheel simultaneously, transmits high torque through dual meshing points, and maintains a compact design. The uniform worm gearing profile allows the same pinion structure to achieve both high power transmission and simplified manufacturing through standardized production processes
2Ease of operation
If the pinion axis is perpendicular to the wheel axis, then alignment and storage in housing is simplified, but the toothing profile complexity increases
Solution Approach 1:
The pinion axis is positioned perpendicular to the wheel axis at a distance, creating an asymmetric spatial relationship that simplifies alignment and storage in the housing. This perpendicular arrangement at a distance allows for straightforward mounting and positioning while the uniform worm gearing profile manages the toothing complexity through standardized geometry
Solution Approach 2:
The pinion is designed with a uniform worm gearing profile (ZA, ZI, or ZK) that maintains consistent parameters throughout its length. This parameter uniformity simplifies manufacturing while the perpendicular axis arrangement optimizes the spatial configuration for ease of alignment and housing integration
3Ease of manufacture
If the pinion has continuous toothing with uniform profile, then manufacturing is simplified and cost-effective, but the contact area with the wheel is reduced
Solution Approach 1:
The pinion with continuous toothing merges its engagement with both toothed areas of the wheel simultaneously. Although the pinion has a uniform profile for simplified manufacturing, the dual engagement with spaced toothed areas on the wheel effectively increases the total contact area, allowing cost-effective production without sacrificing power transmission capability
Solution Approach 2:
The pinion engages with the wheel in two spaced areas on the wheel's end face, utilizing the dimensional space effectively. The continuous toothing of the pinion spans across both engagement points, and the perpendicular axis arrangement at a distance creates a three-dimensional configuration that maximizes contact efficiency while maintaining manufacturing simplicity
Data Source
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AI summary
The invention relates to a transmission with a pinion and a gear, said gear having two mutually spaced toothing regions, in particular on one of the end faces of the gear. The pinion toothing, which is continuous in particular, i.e. uninterrupted from end to end, meshes with the toothing regions, wherein the pinion axis is perpendicular to and spaced from the gear axis.