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Do patents enable disclosure? Strategic innovation management of the four-stroke engine
Industrial and Corporate Change, 2018A significant argument in favor of patents is that they enable knowledge disclosure, which compensates for their social cost. Although patent institutions can influence disclosure levels by what they require before granting patents, innovators have a ...
Patricio Sáiz, Rubén Amengual
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Comparison of Four Stroke MotoGP Engines
SAE Technical Paper Series, 2004<div class="htmlview paragraph">This paper compares different engine solutions for the FIM MotoGP World Championship. Starting from the general guidelines given in a previous paper [<span class="xref">2</span>], in this study the specific features of each engine architecture (3 and 4 in line, V4, V5 and V6) are considered.
MATTARELLI, Enrico, CANTORE, Giuseppe
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International Journal of Engine Research, 2020
Scavenging is becoming one of the determinants of two-stroke engine performance. Efficiency of U-type loop scavenging of two-stroke diesel engine with two poppet valves is generally unsatisfactory due to scavenging short-circuiting and large amount of ...
Zheng Xu +7 more
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Scavenging is becoming one of the determinants of two-stroke engine performance. Efficiency of U-type loop scavenging of two-stroke diesel engine with two poppet valves is generally unsatisfactory due to scavenging short-circuiting and large amount of ...
Zheng Xu +7 more
semanticscholar +1 more source
An engineering contribution to stroke research
Electronics and Power, 1976In a recently opened hospital unit on the outskirts of Bristol, some of the problems of the stroke victim are being tackled by a multidisciplinary team that includes electronics engineers. This article describes some of the engineering aspects of the research programme, which makes extensive use of an online digital computer in a widely based ...
P.A. Lynn, W.R. Parker, G.A.L. Reed
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2020
The internal combustion engines operating in the four-stroke cycle are most widely used on all types vessels with different purpose. Mostly, the vessels use medium and high-speed engines of this type, however, a number of Asian manufacturers produce low-speed four-stroke engines which are capable to operate with direct power transmission to the ...
Ievgen Bilousov +2 more
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The internal combustion engines operating in the four-stroke cycle are most widely used on all types vessels with different purpose. Mostly, the vessels use medium and high-speed engines of this type, however, a number of Asian manufacturers produce low-speed four-stroke engines which are capable to operate with direct power transmission to the ...
Ievgen Bilousov +2 more
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1992
The absence of the separate induction and exhaust strokes in the two-stroke engine is the fundamental difference from four-stroke engines. In two-stroke engines, the gas exchange or scavenging process can have the induction and exhaust processes occurring simultaneously.
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The absence of the separate induction and exhaust strokes in the two-stroke engine is the fundamental difference from four-stroke engines. In two-stroke engines, the gas exchange or scavenging process can have the induction and exhaust processes occurring simultaneously.
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Two-Stroke S.I. Engine Competitive to Four-Stroke Engine in Terms of the Exhaust Emission
SAE Technical Paper Series, 1994<div class="htmlview paragraph">A model engine with disintegrated working cycle was build. Its operation is not autonomous; compression of the working air is performed separately outside the engine by the compressed-air line supply. Pre-compressed charge together with the injected fuel is introduced in the combustion chamber.
Radislav Pavletič, Ferdinand Trenc
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Scavenging the two-stroke engine
Progress in Energy and Combustion Science, 1990Abstract The scavenging process is the most important factor controlling the efficiency and performance characteristics of a two-stroke-cycle engine. This article reviews and assesses experimental and theoretical methods, which have been applied during the past three decades, to evaluate the success of the scavenging process.
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Scavenging the 2-Stroke Engine
SAE Technical Paper Series, 1954<div class="section abstract"><div class="htmlview paragraph">THE indicated output of a 2-stroke engine is primarily dependent upon the success with which the products of combustion are driven from the cylinder and are replaced by fresh air or mixture during the scavenging period.
C. F. Taylor, A. R. Rogowski
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Two-stroke gasoline engine lubricants
World of petroleum products, 2022The article considers the design and lubrication of small 2-stroke engines installed on snowmobiles, quad bikes, motorcycles and drones. The compositions of the 2-stroke engine oils, base oils and additives, actual specification JASO, NMMA, API, TISI and ISO are analysed. Concern the short characteristics of JASO engine test methods.
A.B. Ivanov +2 more
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