ROTARY ENGINE

To improve fuel combustion performance of a rotary engine.SOLUTION: A recess 7 of an outer peripheral surface 2a of a rotor 2 is equipped with a first recessed portion 71 that is disposed on an L side as compared with an outer peripheral center C and extends toward the L side, a second recessed port...

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Main Authors NAKAJIMA KATSUYA, KOTONE TAKAO, NOMOTO TETSUYA, MORIMOTO HIROTAKA, YOUSO TAKASHI, KIKUCHI TAKUYA, MIYAMOTO TORU, SETSUIE ATSUSHI
Format Patent
LanguageEnglish
Japanese
Published 07.06.2023
Subjects
BLASTING
COMBUSTION ENGINES
COMBUSTION ENGINES IN GENERAL
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
INTERNAL-COMBUSTION PISTON ENGINES
LIGHTING
MECHANICAL ENGINEERING
WEAPONS
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Summary:To improve fuel combustion performance of a rotary engine.SOLUTION: A recess 7 of an outer peripheral surface 2a of a rotor 2 is equipped with a first recessed portion 71 that is disposed on an L side as compared with an outer peripheral center C and extends toward the L side, a second recessed portion 72 that extends from the first recessed portion 71 to the L side, and a third recessed portion 73 that continues to the first recessed portion and extends to a T side than the outer peripheral center C. The first recessed portion 71, the second recessed portion 72 and the third recessed portion 73 are equipped with bottom surfaces 71a, 72a, and 73a that respectively have predetermined length L1, L2, L3 in a longitudinal direction of the outer peripheral surface. Concerning a cross section of the recess 7 when traversing the recess 7 by a plane orthogonal to the longitudinal direction of the outer peripheral surface 2a and passing through a rotation axis X of the rotor 2, a cross section of the bottom surface 71a in the first recessed portion 71 becomes the largest as compared with a cross section of the bottom surface 72a in the second recessed portion 72 and a cross section of the bottom surface 73a in the third recessed portion 73.SELECTED DRAWING: Figure 3 【課題】ロータリーエンジンの燃費性能を向上させる。【解決手段】ロータ２の外周面２ａのリセス７は、外周面中央Ｃと比べてＬ側に配置されかつ該Ｌ側に向かって延びる第１凹部７１と、第１凹部７１からＬ側に延びる第２凹部７２と、第１凹部に連続しかつ外周面中央ＣよりもＴ側まで延びる第３凹部７３とを備えるとともに、第１凹部７１、第２凹部７２および第３凹部７３は、それぞれ、外周面の長手方向に所定長さＬ１，Ｌ２，Ｌ３を有する底面７１ａ，７２ａ，７３ａを備える。外周面２ａの長手方向に直交し且つロータ２の回転軸心Ｘを通る平面でリセス７を横断したときのリセス７の断面積は、第１凹部７１における底面７１ａの断面積が、第２凹部７２における底面７２ａの断面積および第３凹部７３における底面７３ａの断面積と比べて最も大きくなる。【選択図】図３
Bibliography:Application Number: JP20210191943