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1. WO2020115549 - PISTON ROD AND FREE PISTON ENGINE

Publication Number WO/2020/115549
Publication Date 11.06.2020
International Application No. PCT/IB2019/001302
International Filing Date 03.12.2019
IPC
F01B 11/00 2006.01
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
11Reciprocating-piston machines or engines without rotary main shaft, e.g. of free-piston type
F01L 21/00 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
21Use of working pistons or piston-rods as fluid-distributing valves or as valve-supporting elements, e.g. in free-piston machines
F02B 71/00 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
71Free-piston engines; Engines without rotary main shaft
F16J 7/00 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
JPISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS
7Piston-rods, i.e. rods rigidly connected to the piston
CPC
F01B 11/001
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
11Reciprocating-piston machines or engines without rotary main shaft, e.g. of free-piston type
001in which the movement in the two directions is obtained by one double acting piston motor
F01L 21/00
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
21Use of working pistons or pistons-rods as fluid-distributing valves or as valve-supporting elements, e.g. in free-piston machines
F02B 71/00
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
71Free-piston engines; Engines without rotary main shaft
F16J 1/12
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
JPISTONS
1Pistons; Trunk pistons; Plungers
10Connection to driving members
12with piston-rods, e.g. rigid connections
F16J 7/00
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
JPISTONS
7Piston-rods
Applicants
  • AQUARIUS ENGINES (A.M.) LTD. [IL]/[DE]
  • YAAKOBY, Shaul [IL]/[DE]
Inventors
  • YAAKOBY, Shaul
Priority Data
16/207,47903.12.2018US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) PISTON ROD AND FREE PISTON ENGINE
(FR) TIGE DE PISTON ET MOTEUR À PISTONS LIBRES
Abstract
(EN)
An internal combustion engine includes an engine block, a cylinder defining at least one combustion chamber, and a piston in the cylinder. The piston travels in a first stroke from one end to an opposite end of the cylinder, and is sized relative to the cylinder to enable an expansion stroke portion of the first stroke while the piston travels under gas expansion pressure, and a momentum stroke portion of the first stroke for the remainder of the first stroke following the expansion stroke portion. A passageway is formed in the piston rod to communicate gas flow between a first combustion chamber and an area external to the cylinder when the piston is in a first position, and to communicate gas flow between a second combustion chamber and an area external to the cylinder when the piston is in a second position.
(FR)
La présente invention concerne un moteur à combustion interne comprenant un bloc-moteur, un cylindre définissant au moins une chambre de combustion, et un piston dans le cylindre. Le piston se déplace dans une première course d'une extrémité à une extrémité opposée du cylindre, et est dimensionné par rapport au cylindre pour permettre une partie de course d'expansion de la première course, tandis que le piston se déplace sous la pression d'expansion de gaz, et une partie de course de quantité de mouvement de la première course pour le reste de la première course succédant à la partie de course d'expansion. Un passage peut être formé dans la tige de piston pour permettre un écoulement de gaz entre une première chambre de combustion et une zone externe au cylindre lorsque le piston est dans une première position, et pour permettre un écoulement de gaz entre une seconde chambre de combustion et une zone externe au cylindre lorsque le piston est dans une seconde position.
Also published as
Latest bibliographic data on file with the International Bureau