Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Driven Vane Compressor

a compressor and driven technology, applied in the direction of machines/engines, rotary/oscillating piston pump components, liquid fuel engines, etc., can solve the problems of increased fluid flow pressure loss in the inlet and outlet region, affecting the operation affecting the efficiency of such machines, so as to reduce the side load acting, less power consumption, and longer life

Inactive Publication Date: 2008-11-13
PARKER HANNIFIN CORP
View PDF17 Cites 5 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention provides a rotary vane device where the vane is rotatably driven rather than the rotor, which reduces the side load acting on the vane and allows for longer life, fewer stack-up tolerances between the vane and housing, the ability to use plastic for the rotor and vane, and / or fewer components. The device includes a housing with a pumping chamber and a rotor positioned in the chamber. The rotor has a rotor slot in which a vane is positioned and is driven by a vane drive member. The vane is fixed to a drive shaft and extends radially outward from the shaft. The vane is attached to the drive shaft by a pair of axially spaced apart vane supports fixed to the drive shaft for rotation with the drive shaft. The housing has stator plates and end plates closing the ends of the pumping chamber. The rotor has opposite ends supported by bearings in the housing. The vane and rotor are rotationally balanced. The vane has a radially outer end that is convexly curved concentrically with the pumping chamber axis. The invention provides improved performance and efficiency of the rotary vane device.

Problems solved by technology

The operating efficiency of such machines, however, is negatively impacted by machine friction.
Friction in non-guided rotary vane machines can arise from the rubbing of the tip of the sliding vane against the inner contour of the stator wall.
This can result in increased fluid flow pressure losses in the inlet and outlet port regions.

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
  • Driven Vane Compressor
  • Driven Vane Compressor
  • Driven Vane Compressor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0027]Referring now to the drawings in detail, and initially to FIGS. 1-5, an exemplary rotary vane device according to the invention is designated generally by reference numeral 20. As shown, the device 20 generally comprises a housing 21, a rotor 22 (FIGS. 3 and 4) and a vane and drive assembly 23 (FIGS. 4 and 6). In the illustrated embodiment, the vane and drive assembly 23, as best seen in FIG. 6, comprises a single vane 26 mounted, or formed integrally with, a vane drive member 27. Although these components will be described below in greater detail, it will be appreciated that such components can vary in various respects without deviating from the basic principles of the present invention. In addition, the illustrated rotary vane device is particularly suited for use as a gas compressor and will be chiefly described in this context. A rotary vane device according to the invention, however, may be adapted for use with other fluids, in particular as a pump for liquids. Additional...

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

A rotary vane device comprising a rotor and a vane positioned in a pumping chamber in a housing for rotation about respective eccentric axes, wherein the rotor has a rotor slot in which the vane is positioned, characterized by the vane being driven and the rotor following the vane.

Description

RELATED APPLICATIONS[0001]This application claims the benefit of U.S. Provisional Application No. 60 / 736,959 filed Nov. 15, 2005, which is hereby incorporated herein by reference.FIELD OF THE INVENTION[0002]The present invention relates to rotary vane machines and, more particularly, to a rotary vane machine wherein the vane is driven rather than the rotor.BACKGROUND OF THE INVENTION[0003]Rotary vane machines are distinguished from virtually all other fluid displacement machines in their remarkable simplicity. The operating efficiency of such machines, however, is negatively impacted by machine friction. Friction in non-guided rotary vane machines can arise from the rubbing of the tip of the sliding vane against the inner contour of the stator wall. Governing the motion of the vane by the stator wall contour also can inhibit the area through which fluid can enter or exit the machine. This can result in increased fluid flow pressure losses in the inlet and outlet port regions.[0004]O...

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
Patent Type & Authority Applications(United States)
IPC IPC(8): F04C18/344
CPCF04C2/344
Inventor KNIGHT, STEVEN R.
Owner PARKER HANNIFIN CORP
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com