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Combustion Engine Variable Compression Ratio Apparatus And Method
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Book Synopsis Combustion Engine Variable Compression Ratio Apparatus and Method by :
Download or read book Combustion Engine Variable Compression Ratio Apparatus and Method written by and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: An apparatus and method for varying a compression ratio of an engine having a block and a head mounted thereto. The apparatus and method includes a cylinder having a block portion and a head portion, a piston linearly movable in the block portion of the cylinder, a cylinder plug linearly movable in the head portion of the cylinder, and a valve located in the cylinder plug and operable to provide controlled fluid communication with the block portion of the cylinder.
Book Synopsis Apparatus and Method for Operating Internal Combustion Engines from Variable Mixtures of Gaseous Fuels by :
Download or read book Apparatus and Method for Operating Internal Combustion Engines from Variable Mixtures of Gaseous Fuels written by and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: An apparatus and method for utilizing any arbitrary mixture ratio of multiple fuel gases having differing combustion characteristics, such as natural gas and hydrogen gas, within an internal combustion engine. The gaseous fuel composition ratio is first sensed, such as by thermal conductivity, infrared signature, sound propagation speed, or equivalent mixture differentiation mechanisms and combinations thereof which are utilized as input(s) to a "multiple map" engine control module which modulates selected operating parameters of the engine, such as fuel injection and ignition timing, in response to the proportions of fuel gases available so that the engine operates correctly and at high efficiency irrespective of the gas mixture ratio being utilized. As a result, an engine configured according to the teachings of the present invention may be fueled from at least two different fuel sources without admixing constraints.
Book Synopsis Official Gazette of the United States Patent and Trademark Office by : United States. Patent and Trademark Office
Download or read book Official Gazette of the United States Patent and Trademark Office written by United States. Patent and Trademark Office and published by . This book was released on 2002 with total page 792 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Implementation of a Variable Compression Ratio Mechanism in a Four Cylinder Engine by : Adam Kantor (R.)
Download or read book Implementation of a Variable Compression Ratio Mechanism in a Four Cylinder Engine written by Adam Kantor (R.) and published by . This book was released on 2011 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ever since the invention of the internal combustion engine, generating more power and achieving better efficiency has been a major goal for the designers. Variable compression ratio technology is way to achieve those goals. This paper will discuss the method of varying the compression ratio of an inline 4-cylinder engine through the use of a 4-bar linkage and gear mechanism. This mechanism was proven to easily vary the compression ratio of the engine and shows promise of becoming a technology used for future engine designer.
Book Synopsis Variable Compression Ratio Device for Internal Combustion Engine by :
Download or read book Variable Compression Ratio Device for Internal Combustion Engine written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: An internal combustion engine, particularly suitable for use in a work machine, is provided with a combustion cylinder, a cylinder head at an end of the combustion cylinder and a primary piston reciprocally disposed within the combustion cylinder. The cylinder head includes a secondary cylinder and a secondary piston reciprocally disposed within the secondary cylinder. An actuator is coupled with the secondary piston for controlling the position of the secondary piston dependent upon the position of the primary piston. A communication port establishes fluid flow communication between the combustion cylinder and the secondary cylinder.
Book Synopsis Index of Patents Issued from the United States Patent Office by : United States. Patent Office
Download or read book Index of Patents Issued from the United States Patent Office written by United States. Patent Office and published by . This book was released on 1971 with total page 1846 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Conception of Internal Combustion Engine with Variable Compression Ratio by : J. Jaskolski
Download or read book Conception of Internal Combustion Engine with Variable Compression Ratio written by J. Jaskolski and published by . This book was released on 1993 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Official Gazette of the United States Patent Office by : United States. Patent Office
Download or read book Official Gazette of the United States Patent Office written by United States. Patent Office and published by . This book was released on 1951 with total page 1210 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Exploration of Combustion Strategies for High-efficiency, Extreme-compression Engines by : Mr. Matthew Neil Svrcek
Download or read book Exploration of Combustion Strategies for High-efficiency, Extreme-compression Engines written by Mr. Matthew Neil Svrcek and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Increasing the compression ratio of an internal combustion engine to 100:1 or greater could potentially enable efficiencies greater than 60%. Understanding and managing the combustion process is a critical component to achieving this in practice. This thesis explores strategies for combustion at extreme compression ratios. First, the setup of a free-piston device capable of operating at 100:1 compression ratio is described. Initial performance results are reported for air-only experiments. Diesel-style combustion was the first approach taken, as it provides facile ignition phasing. Results are reported from initial lean Diesel combustion experiments at compression ratios ranging from 30 to 100:1. Indicated efficiency peaked at 60% for these experiments. To further understand Diesel-style combustion at extreme compression ratios, a study of Diesel sprays in the extreme compression apparatus was performed. The setup of a combined schlieren and direct luminosity imaging system with full-bore optical access is described. Spray penetration, dispersion, liquid length, and ignition delay are reported for combusting and non-combusting sprays. Compression ratios for these experiments ranged from 30 to 100:1. Spray behavior followed expected trends as a function of primary variables such as gas density. However, rapidly varying gas density from the free-piston profile impacts the spray penetration. Furthermore, at the highest compression ratios in-cylinder fluid motion dramatically affects the spray behavior, enabled by the low ratio of fuel to gas density. Systems added to the extreme compression apparatus to measure gaseous and particulate emissions are described. Emissions measurements from Diesel-style combustion of isooctane at 35:1 compression ratio are reported, to provide a reference case at conditions similar to conventional engines. Emissions were similar to those from production Diesel engines, with the exception that soot, HC, and CO increased more rapidly with equivalence ratio in the present study. Results from experiments with Diesel combustion up to 100:1 compression ratio are also reported. The combustion efficiency was 99% up to 100:1 compression ratio, and HC, CO and soot emissions were low. Emissions of NOx were 5 times higher at 100:1 than at 35:1, and would require aftertreatment. Stoichiometric, premixed-charge combustion enables the use of a three-way catalyst and produces low soot levels. Using this approach at extreme compression ratios requires delaying autoignition until the minimum volume is reached. Options for control of autoignition are discussed, and gas cooling is identified as the most effective. Pre-refrigeration, intercooling, and evaporation of a liquid are modeled and shown to effectively achieve the desired ignition timing at 100:1 compression ratio, without impacting the overall engine efficiency. Experimental results are reported for premixed methane-air combustion with intercooling control of autoignition, for 0.96 to 1.04 equivalence ratio and 35 to 90:1 effective compression ratio. The gas cooling requirement for autoignition control was higher than predicted by the models, but still within practical reach. The indicated efficiency peaked at 57%. Emissions levels from these experiments were similar to stoichiometric spark-ignited natural gas engines reported in the literature, and indicate that a three-way catalyst could be successfully used even at extreme compression ratios. Results are also reported for water injection control of autoignition. Autoignition was successfully controlled up to 60:1 effective compression ratio, but the mass of water required was an order of magnitude higher than predicted. This is shown to result from practical limitations of the current water injector setup.
Book Synopsis A Variable Compression Ratio Head for an Internal Combustion Engine by : Walter P. Wright
Download or read book A Variable Compression Ratio Head for an Internal Combustion Engine written by Walter P. Wright and published by . This book was released on 1954 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy Research Abstracts written by and published by . This book was released on 1979 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Construction and Working of Internal Combustion Engines by : Rodolphe Edgard Mathot
Download or read book The Construction and Working of Internal Combustion Engines written by Rodolphe Edgard Mathot and published by . This book was released on 1910 with total page 602 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Annual Report - National Advisory Committee for Aeronautics by : United States. National Advisory Committee for Aeronautics
Download or read book Annual Report - National Advisory Committee for Aeronautics written by United States. National Advisory Committee for Aeronautics and published by . This book was released on 1935 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Includes the Committee's Technical reports no. 1-1058, reprinted in v. 1-37.
Book Synopsis Index of Patents Issued from the United States Patent and Trademark Office by :
Download or read book Index of Patents Issued from the United States Patent and Trademark Office written by and published by . This book was released on 1993 with total page 1948 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Testing of High Speed Internal Combustion Engines by : Arthur William Judge
Download or read book The Testing of High Speed Internal Combustion Engines written by Arthur William Judge and published by . This book was released on 1955 with total page 592 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Report by : United States. National Advisory Committee for Aeronautics
Download or read book Report written by United States. National Advisory Committee for Aeronautics and published by . This book was released on 1940 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Report - National Advisory Committee for Aeronautics by : United States. National Advisory Committee for Aeronautics
Download or read book Report - National Advisory Committee for Aeronautics written by United States. National Advisory Committee for Aeronautics and published by . This book was released on 1935 with total page 642 pages. Available in PDF, EPUB and Kindle. Book excerpt: