Infinitely variable epicyclic transmissions

a transmission and epicyclic technology, applied in the direction of gearing, gearing details, hoisting equipment, etc., can solve the problem of not being continuously adjustable, and achieve the effect of reliable manufacture and low cos

Inactive Publication Date: 2005-11-22
VERITRAN
View PDF45 Cites 14 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0020]Several embodiments of the invention are described in this application. These are all capable of continuously varying the output speed and torque through forward, neutral, and reverse while the input shaft remains constant in rotational speed and direction. Each of the devices share: 1) the highly desirable features of compactness of both width and diam

Problems solved by technology

The chain drive permits significantly higher torque applications than the endless belt version, but is

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Infinitely variable epicyclic transmissions
  • Infinitely variable epicyclic transmissions
  • Infinitely variable epicyclic transmissions

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

)

[0037]The invention has several desirable embodiments. All the embodiments offer the advantage of being simple, compact, and reliable. All embodiments are capable of continuously varying the output speed and torque through forward, neutral, and reverse while the input shaft remains constant in rotational speed and direction. Among other features shared by the various embodiments are compactness of both width and diameter; use of efficient epicyclic gear components to achieve an infinitely variable gear ratio, integral components allowing for direct, independent speed control of the planetary elements driven from the input shaft, coaxially aligned input and output shafts, and relatively small number of components for inexpensive, reliable manufacture. The inventive apparatus features independent control of various components of epicyclical gear systems to achieve output speeds that may be selectively varied continuously from forward, through neutral, and then into reverse (and vice ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

An infinite variable transmission with input shaft (52), planetary carrier (28), planetary pulleys (36) and planetary gears (32) with planetary axles (30) equiangularly disposed on the carrier (28). Variable pitch pulley (41) adjust a serpentine belt (38) which adjust the rotation of the planetary gears (32) to adjust the output shaft (20).

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This application claims the benefit of the filing of U.S. Provisional Patent Application Ser. No. 60 / 095,596, entitled “Continuously Variable Transmission”, filed on Aug. 6, 1998, and the specification thereof is incorporated herein by reference.BACKGROUND OF THE INVENTION[0002]1. Field of the Invention[0003]The invention is generally concerned with power transmissions, particularly continuously variable transmissions, and more specifically transmissions for use in rotational machines requiring continuous, infinitely adjustable output speed and output torque while maintaining nearly constant rotational speed of the input prime mover.[0004]2. Background Art[0005]A continuously variable transmission suitable for automotive applications has been sought for nearly a century. It has even longer been recognized that pedal-driven vehicles would operate most efficiently if the propulsive ground wheel rotational speed were varied such that the inp...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): F16H55/54F16H9/02F16H9/10F16H3/42F16H55/32F16H3/02F16H15/00F16H15/50F16H3/72F16H15/52F16H9/26F16H3/44
CPCF16H3/42F16H3/72F16H9/10F16H9/26F16H15/50F16H15/52F16H55/54
Inventor BODE, JOHN R.MILLER, A. KEITHVAUGHN, MARK R.
Owner VERITRAN
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap