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1. WO2014171178 - PISTON FOR AXIAL PISTON PUMP MOTOR, CYLINDER BLOCK FOR AXIAL PISTON PUMP MOTOR, AND AXIAL PISTON PUMP MOTOR

Publication Number WO/2014/171178
Publication Date 23.10.2014
International Application No. PCT/JP2014/054003
International Filing Date 20.02.2014
IPC
F04B 1/22 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
1Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
12having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
20having rotary cylinder block
22having two or more sets of cylinders or pistons
F03C 1/253 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
CPOSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
1Reciprocating-piston liquid engines
22with movable cylinders
24in which the liquid exclusively displaces one or more pistons reciprocating in rotary cylinders
253with cylinder axes generally coaxial with, or parallel to, main shaft axis
F04B 53/14 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
53Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/-F04B23/ or F04B39/-F04B47/203
14Pistons, piston-rods or piston-rod connections
F04B 53/16 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
53Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/-F04B23/ or F04B39/-F04B47/203
16Casings; Cylinders; Cylinder liners or heads; Fluid connections
CPC
F01B 3/007
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
BMACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
3Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis
0032having rotary cylinder block
0044Component parts, details, e.g. valves, sealings, lubrication
007Swash plate
F03C 1/0605
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
CPOSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
1Reciprocating-piston liquid engines
02with multiple-cylinders, characterised by the number or arrangement of cylinders
06with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis
0602Component parts, details
0605Adaptations of pistons
F04B 1/124
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
1Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
12having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
122Details or component parts, e.g. valves, sealings or lubrication means
124Pistons
F04B 1/14
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
1Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
12having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
14having stationary cylinders
F04B 1/20
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
1Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
12having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
20having rotary cylinder block
F04B 1/22
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
1Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
12having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
20having rotary cylinder block
22having two or more sets of cylinders or pistons
Applicants
  • 川崎重工業株式会社 KAWASAKI JUKOGYO KABUSHIKI KAISHA [JP]/[JP]
Inventors
  • 吉村 勇 YOSHIMURA, Isamu
  • 野村 陵 NOMURA, Ryo
  • 和田 寿夫 WADA, Hisao
  • 堺 隆二 SAKAI, Ryuji
Agents
  • 鮫島 睦 SAMEJIMA, Mutsumi
Priority Data
2013-08582616.04.2013JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) PISTON FOR AXIAL PISTON PUMP MOTOR, CYLINDER BLOCK FOR AXIAL PISTON PUMP MOTOR, AND AXIAL PISTON PUMP MOTOR
(FR) PISTON POUR MOTEUR DE POMPE À PISTONS AXIAUX, BLOC CYLINDRES POUR MOTEUR DE POMPE À PISTONS AXIAUX, ET MOTEUR DE POMPE À PISTONS AXIAUX
(JA) アキシャルピストンポンプモータのピストン、アキシャルピストンポンプモータのシリンダブロックおよびアキシャルピストンポンプモータ
Abstract
(EN)
The front-edge end part of a piston (5) has crowning with a 1.2-order to 2.5-order curved line, such that the length of the end part is 10-80% of the length of a cylindrical part (20) and the height is 10-160% of a clearance. The rear-edge end part has crowning with a 1.2-order to 2.5-order curved line, such that the length of the end part is 10-60% of the length of the cylindrical part (20) and the height is 10-160% of the clearance. The front-edge end part of a cylinder block (3) has crowning with a 1.2-order to 2.5-order curved line, such that the length of the end part is 8-60% of the length of the cylindrical part (20) and the height is 12-125% of the clearance.
(FR)
L'invention concerne une partie d'extrémité de bord avant d'un piston (5) ayant un bombé avec une ligne courbe de l'ordre de 1,2 à 2,5, de sorte que la longueur de la partie d'extrémité représente de 10 à 80 % de la longueur d'une partie cylindrique (20) et la hauteur représente de 10 à 160 % d'un jeu. La partie d'extrémité de bord arrière a un bombé avec une ligne courbe de l'ordre de 1,2 à 2,5, de sorte que la longueur de la partie d'extrémité représente de 10 à 60 % de la longueur de la partie cylindrique (20) et la hauteur représente de 10 à 160 % du jeu. La partie d'extrémité de bord avant d'un bloc cylindres (3) a un bombé avec une ligne courbe de l'ordre de 1,2 à 2,5, de sorte que la longueur de la partie d'extrémité représente de 8 à 60 % de la longueur de la partie cylindrique (20) et la hauteur représente de 12 à 125 % du jeu.
(JA)
 ピストン(5)の前縁側の端部が、長さが円筒部(20)の長さの10%以上80%以下でかつ高さがクリアランスの10%以上160%以下の1.2次から2.5次の曲線のクラウニングを有するようにする。後縁側の端部が、長さが円筒部(20)の長さの10%以上60%以下でかつ高さがクリアランスの10%以上160%以下の1.2次から2.5次の曲線のクラウニングを有するようにする。シリンダブロック(3)の前縁側の端部が、長さが円筒部(20)の長さの8%以上60%以下でかつ高さがクリアランスの12%以上125%以下の1.2次から2.5次の曲線のクラウニングを有するようにする。
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