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Lash adjustment for piston rollers

A technology of gap adjustment and rollers, which is applied to reciprocating piston engines, cam followers, components with teeth, etc., can solve time-consuming and complicated problems

Inactive Publication Date: 2008-05-14
THOMAS ENGINE CO LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Adjustment of such clearances is complex and time-consuming

Method used

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  • Lash adjustment for piston rollers
  • Lash adjustment for piston rollers
  • Lash adjustment for piston rollers

Examples

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Embodiment Construction

[0034]This application relates to an engine comprising a plurality of rollers rolling along a surface, as shown in Applicant's co-pending patent application Ser. No. 10 / 791,453, the entirety of which is The contents are incorporated herein by reference. As described in this co-pending patent application and applicant's other applications and patents, an engine such as a barrel engine may include a cam disc with an oscillating track that communicates with the piston mechanically connected so that when the cam disc rotates, the piston reciprocates within its cylinder. The connection between the cam disc surface and the piston requires some type of sliding or rolling mechanism. The present application relates to rollers for providing such a connection, and to the clearance adjustment of these rollers.

[0035] FIG. 1 shows a canister internal combustion engine 10 including a plurality of pistons 14 arranged concentrically about a central drive shaft assembly 16 . Power is tran...

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Abstract

A lash adjustment system for a roller is provided which includes a cam plate surface and a frustoconically shaped roller in mechanical communication with the surface. Means for moving the roller relative to the surface are included to urge the roller inwardly with respect to the cam plate in order to reduce lash.

Description

[0001] References to related applications [0002] This application claims priority to US Provisional Patent Application Serial No. 60 / 656,017, filed February 24, 2005, which is hereby incorporated by reference in its entirety. technical field [0003] The present invention relates generally to engines that include one or more rollers that roll along a surface, and more particularly to methods and apparatus for reducing the gap between the rollers and the surface. Background technique [0004] Cammed-disc barrel engines use a drive mechanism consisting of a disc with an undulating cam surface, typically capable of making the piston go through four or more cycles for each revolution of the drive shaft. A piston within a cam disc is usually connected to the cam disc by a pair of rolling elements which follow the undulating surface of the cam disc. [0005] In a typical arrangement, a cylindrical rolling element having a generally uniform cross-sectional diameter along its len...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01B3/02
CPCF01B3/02F16H57/12F02B75/26F16H53/06Y10T74/18304
Inventor C·R·托马斯
Owner THOMAS ENGINE CO LLC
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