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Discharge portion for screw compressor with tangential flow guide cusp

A technology of screw compressor and discharge port, applied in the field of screw compressor, can solve problems such as waste

Inactive Publication Date: 2005-10-05
CARRIER CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this kinetic energy is often wasted in the expulsion process

Method used

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  • Discharge portion for screw compressor with tangential flow guide cusp
  • Discharge portion for screw compressor with tangential flow guide cusp
  • Discharge portion for screw compressor with tangential flow guide cusp

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Embodiment Construction

[0013] The invention relates to a screw compressor, in particular to an improved discharge port, which is used to convert the kinetic energy of the discharge flow of the compressor into pressure, thereby improving the efficiency of the compressor and reducing the work required by the compressor for the same pressure.

[0014] One of the flow mechanisms of conventional compressor discharge configurations is that the screws of a screw compressor create a pair of opposing tangent vectors that are greatest at the end walls and decrease toward the inlet end of the radial discharge port. These tangential components tend to cancel each other out and constrict the flow, thus causing significant pressure loss. The present invention relates to a deflector tip that integrates with the compressor discharge and redirects these vectors radially and / or axially to reduce these negative effects and allow the compressor to operate at high efficiency.

[0015] figure 1 is a partial schematic vi...

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Abstract

A screw compressor includes a housing having a discharge port; at least two rotors rotatably disposed in the housing for generating opposed discharge flows in radial and axial directions; and a tangential flow guide cusp disposed in the discharge port and at least partially defining a radial flow portion of the discharge port and having flow guiding-surfaces arranged to guide tangential flows from said rotors so as to provide at least one of radial and axial directed flows.

Description

technical field [0001] The present invention relates to a screw compressor, and more particularly to a screw compressor with enhanced discharge efficiency in which kinetic energy can be converted into pressure. Background technique [0002] A typical screw compressor pressurizes the refrigerant as it passes through a rotating screw, which also transfers kinetic energy to the refrigerant. However, this kinetic energy is often wasted during the expulsion process. [0003] In screw compressor technology, traditional solutions include optimizing the discharge port area to reduce the discharge kinetic energy, and / or reducing the rotor speed to reduce the kinetic energy. [0004] There is clearly a need to increase the efficiency of the compressor. [0005] The main purpose of the present invention is therefore to provide a conversion of kinetic energy to pressure, thereby reducing the work required by the compressor and increasing efficiency. [0006] Another object of the pre...

Claims

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Application Information

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IPC IPC(8): F04C18/08F04C18/16F04C29/12
CPCF04C18/086F04C2250/102F04C29/12F04C18/16
Inventor W·H·鲁索
Owner CARRIER CORP