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Mass-flow throttle for large natural gas engines

A throttle and engine technology, applied in the direction of combustion engine, engine control, engine components, etc.

Active Publication Date: 2020-12-22
电控装置有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] It will be apparent to those skilled in the art that the above-mentioned and many other unsurpassed difficulties, problems, obstacles, limitations and challenges will be resolved by thoughtful use of the present invention and the embodiments disclosed herein, especially when viewed in light of the following When conceived for further description considered with a full understanding of the prior art

Method used

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  • Mass-flow throttle for large natural gas engines
  • Mass-flow throttle for large natural gas engines
  • Mass-flow throttle for large natural gas engines

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Embodiment Construction

[0034] The following examples are described to illustrate preferred embodiments for carrying out the invention in practice, as well as certain preferred alternative embodiments, as at the time of writing these embodiments appear to be particularly instructive. In appreciating these various descriptions of preferred and alternative embodiments, those skilled in the art will be able to gain not only a better understanding of the invention, but also some of the various ways to make and use the invention and its embodiments. better understanding.

[0035] wording convention

[0036] For the purposes of these descriptions, certain wording simplifications should be understood to be generic unless otherwise indicated in the specific context in the specification or any claims. In order to understand what may be essential to the description of the invention, the use of the term "or" should be assumed to mean "and / or" unless it is expressly stated that only alternatives are meant, or u...

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Abstract

A mass flow throttle for highly accurate control of the gaseous supplies (fuel and / or air) to the combustion chambers for large engines in response to instantaneous demand signals from the engine's ECM, especially for large (i.e., 30 liters or greater in size) spark-ignited internal combustion engines fueled by natural gas. With a unitary block assembly and a throttle blade driven by a non-articulated rotary actuator shaft, in combination with tight control circuitry including multiple pressure sensors as well as sensors for temperature and throttle position, the same basic throttle concepts are innovatively suited to be used for both MFG and MFA throttles in industrial applications, to achieve highly accurate mass flow control even despite pressure fluctuations while operating in non-choked flow.

Description

[0001] Priority declaration of an earlier application [0002] This application claims the benefit of the filing date of U.S. Provisional Application Serial No. 62 / 636,382, filed February 28, 2018, entitled "Mass-Flow Throttle for Large Natural Gas Engines," the entire disclosure of which is incorporated by reference in its entirety. into this article. technical field [0003] The present invention mainly relates to throttle valves for large natural gas engines. In particular, the present invention relates to a throttle for controlling mass flow rate (sometimes called mass flow rate) to the combustion chamber of a large gaseous fuel spark ignition internal combustion engine, particularly for stationary industrial applications , and more particularly, when operating in low pressure non-choked flow. Background technique [0004] Throttle valves have long been used in large natural gas engines, but existing control strategies are often inadequate. More precise flow control i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02D9/10
CPCF02D9/10F02D11/10F02D9/1065F02D9/107F02D9/105F02D41/0027F02D2200/0406F02D2200/0414F02D9/1035F02D19/023F02M21/0239F02M21/0233Y02T10/30F02D41/0002F02D41/20
Inventor 肯农·谷利尔莫贾斯廷·H·桑德斯迈克尔·T·汉比奇蒂莫西·J·韦斯特达尔
Owner 电控装置有限责任公司
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