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Method and system for reciprocating compressor starting

a compressor and starting system technology, applied in the direction of positive displacement liquid engine, pump parameter, instruments, etc., can solve the problem that compressors may sometimes have difficulty in starting, and achieve the effect of high starting torqu

Inactive Publication Date: 2013-10-24
GENERAL ELECTRIC CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patent provides methods and systems for detecting and addressing compressor start failure conditions in an efficient and effective way. The technical effects include the ability to detect and overcome stall or start-up failures in the compressor, thereby improving overall operational efficiency and reliability.

Problems solved by technology

Compressors may sometimes have difficulty in starting.

Method used

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  • Method and system for reciprocating compressor starting
  • Method and system for reciprocating compressor starting
  • Method and system for reciprocating compressor starting

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Embodiment Construction

[0023]Embodiments of the subject matter disclosed herein relate to systems and methods that overcome a higher than normal starting torque for in a reciprocating, electric motor driven air compressor for a vehicle. A detection component can be configured to detect a stall condition for a reciprocating compressor based on a force from compressed air being compressed into a reservoir of the reciprocating compressor. Based upon the detected stall condition, a controller can be configured to control at least one of a reverse direction mode (also referred to as reverse phase mode) or a torque increase mode in order to alleviate the stall condition. In the reverse direction mode, the controller component can be configured to change a direction of a crankshaft rotation in order to allow a gain in momentum during a subsequent start attempt to overcome a high starting torque requirement. In the torque increase mode, the controller can be configured to increase at least one of a number of pole...

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Abstract

Systems and methods of the invention may overcome a higher than normal starting torque for in a reciprocating, electric motor driven air compressor for a vehicle. A detection component can be configured to detect a stall condition for a reciprocating compressor based on a force from compressed air being compressed into a reservoir of the reciprocating compressor. Based upon the detected stall condition, a controller can reverse direction or increase torque to alleviate the stall condition. In the reverse direction mode, the controller component can change a direction of a piston rotation. In the torque increase mode, the controller increases a number of poles for the motor, a line voltage, or a volt / hertz.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This application claims the benefit of U.S. Provisional Application Ser. No. 61 / 636,192, filed Apr. 20, 2012, and entitled “SYSTEM AND METHOD FOR A COMPRESSOR.” The entirety of the aforementioned application is incorporated herein by reference.BACKGROUND[0002]1. Technical Field[0003]Embodiments of the subject matter disclosed herein relate to facilitating starting a reciprocating compressor having a loaded start condition.[0004]2. Discussion of Art[0005]Compressors compress gas, such as air. An air compressor can include three cylinders with two stages and can be air cooled and driven by an electric motor. The compressor can have two low pressure cylinders which deliver an intermediate pressure air supply to a single high pressure cylinder for further compression for final delivery to an air reservoir. Compressors may sometimes have difficulty in starting.[0006]It may be desirable to have a system and method that differs from those system...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): F04B49/00
CPCF04B49/00F04B49/065F04B23/02F04B25/00F04B41/02F04B49/02F04B49/022F04B49/10F04B51/00F04B2201/0605F04B2205/063F15B19/005F16K37/0091G01M3/2876
Inventor WORDEN, BRET DWAYNEPEOPLES, RICHARD C.SABARAD, JAYAPRAKASH SHREESHAILAPPASTRODE, JASON M.
Owner GENERAL ELECTRIC CO
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