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Matches 651 - 700 out of 5,410

Document Document Title
WO/1991/010811A1
In rotary-piston internal-combustion engines which work by the cat-and-mouse principale, the work spaces (30) inside the rotor (18) rotating at uniform speed in the housing (10) must be sealed off from each other and from the housing (10...  
WO/1991/010052A1
An internal combustion engine includes a compressor and an expander of the type having a pair of multilobed, intermeshing rotors (12, 22, 13, 23) rotatably installed in a casing (1), and a combustion chamber (30) communicating with said ...  
WO/1991/006747A1
The invention relates to an internal combustion engine having separate rotary compression and expansion sections and a combustion chamber (16) having valved inlet and outlet ports (21, 22) communicating with the compression and expansion...  
WO/1991/002888A1
Rotating internal combustion engine which comprises three rotors (A, B, C), a central rotor (C) and another two (A, B), one on each side, the central rotor is cylindrical, containing on its periphery teeth (2) which fit in the respective...  
WO/1991/002145A1
An engine (10) has a pair of intermeshing rotors (12) and (14). The rotor (12) has intake/compression vanes (18), and the rotor (14) has expansion/exhaust vanes (22). In operation of the engine (10), the intake/compression vanes (18) of ...  
WO/1990/008886A1
The preferred embodiment of the present invention is in the form of a rotary compression/combustion assembly (10) adaptable to be utilized as an internal combustion engine, a fluid pump or as fluid compressor device. The assembly (10) op...  
WO/1990/008879A1
In rotary piston internal combustion engines which operate on the cat-and-mouse principle, the oscillating movement of the piston (32) is transmitted by connecting rods (22) to crankshafts (24) and gears (27). The gears (27) intermesh wi...  
WO/1990/007632A1
A power conversion machine comprising a rotor assembly having a first rotor part (124) with a first pair of pistons (137, 138) and a second rotor part (125) with a second pair of pistons (135, 136) which are rockable back and forth in re...  
WO/1990/002259A1
A rotary piston engine comprising two segregated body chambers of compression (10) and expansion (20), and one separable combustion chamber (31), carrying out air suction and compression, combustion resultant expansion and exhaust, and f...  
WO/1989/009874A1
An internal combustion engine of the rotary type in which a pair of axially spaced combustion chambers (24a, 26a) are provided and a common ratchet or control mechanism (16) is positioned between the spaced combustion chambers. A pair of...  
WO/1989/009871A1
A two-stroke rotating piston internal combustion engine has a cylindrical engine housing (1) which accommodates a single rotating piston (6). Because of its very small rotary oscillation hub, the rotating piston can execute an oscillatin...  
WO/1989/002517A1
The engine comprises a disk-shaped rotor (1) mounted on supports (3) in a casing (4) having a cylindrical and end-face walls (6, 7, 8). The end-face walls (7, 8) are provided with sector-shaped protrusions which form, together with the e...  
WO/1988/010357A1
The present invention proposes that rockets be replaced by round missiles stabilized by rotating wings (25 and 48) and propelled by piston- and mass-type (52) propulsion units, the consumption of which is 1000 times less than that of the...  
WO/1988/008921A1
An internal combustion engine characterized by comprising: a stator (1), a rotor (7) housed inside said stator (1) and provided with a drive shaft (23), at least one toroidal cylinder (9, 9') housed inside said rotor (7) and having its a...  
WO/1988/007623A1
Rotary piston machine, particularly a supercharged rotary piston engine, provided with a cylinder with inlet and outlet channels and a rotating piston disposed in said cylinder. Said rotating piston is connected to the main shaft for the...  
WO/1988/005120A1
A rotary piston machine which may operate as an internal combustion engine, steam engine, compressor or pump. The machine comprises a housing (5) having a cylindrical cavity with circumferentially disposed compression volume recesses (7 ...  
WO/1988/001342A1
A structure of an engine using a cylinder block having a cros-section forming a predetermined curved surface, and a piston having a curved surface identical with the curved surface of the cylinder block, in which engine the arcuate recip...  
WO/1987/007326A1
A rotary internal combustion engine in which radially mounted pistons (43) are used to provide compression and ignition, and expansion occurs in a separate rotor (20) having hollow vanes (10) which are driven during the expansion portion...  
WO/1987/004495A1
A mechanism comprising a chamber (7) defined by a spherical or part spherical internal surface, and a disk member (9) rotatable ina fixed plane diametral to the said internal surface and in sealing relation therewith, at least one vane (...  
WO/1987/003331A1
There is disclosed an alternating rotary combustion engine wherein the cylinder is divided into two half cylinders: the lower half cylinder is a crank case (1); the upper half cylinder (2) has two working chambers, two pistons and the ce...  
WO/1987/001414A1
Rotary-type heat engine having the combustion chamber (3) separated from the expansion chamber (4), using the structure of pumping chamber in circumferential piston pump, so that constant-volume combustion process and constant-pressure e...  
WO/1987/000573A1
A rotary internal combustion engine has two vane-bearing members (14, 20) which rotate in a common cylinder with varying relative velocities so that chambers defined between the vanes (10, 12, 22, 24) vary in volume. In order to vary the...  
WO/1986/006785A1
The centre-axle circular piston machine consists of a drum (2) which rotates centrally on an axle with at least one separating wing arranged radially on the inside, and at least one piston wing arranged on a hollow axis sliding around th...  
WO/1986/006791A1
A rotary piston internal combustion engine with two counter-rotating pistons (14, 15) located on the same axis and engaging with one another. One of the pistons acts as a compression or charging piston and the other as an expansion or pr...  
WO/1986/006437A1
Rotary engines utilize the Brayton cycle. The cycle of the engines includes the four strokes of intake, compression, expansion and exhaust. An open-cycle version (Figure 2) uses air as the primary working fluid while closed-cycle version...  
WO/1986/005841A1
A rotating piston internal combustion engine with a housing (2), a rotor (3) and a double sleeve shaft (4). An uneven number of piston blades (5-9) is mounted on the rotor (3). In the area between adjacent piston blades, the rotor (3) ha...  
WO/1986/005545A1
The device for driving a drive shaft (21) by means of a piston and an intermediary driving mechanism is characterized by a piston consisting of two parts (1, 2) which form together a combustion chamber (43). Both piston parts (1, 2) rota...  
WO/1986/004642A1
A rotary engine, comprising a housing (1) containing a main rotor (4) and a supplementary rotor (8). The rotors are provided with cams (6, 10) which can be brought into intermeshing engagement with one another so that a continuous rotati...  
WO/1986/002698A1
In a rotary internal combustion engine with a rotor housing (1, 2, 3, 19, 20) in which a rotor (4) is eccentrically supported, preferably three radial bores (11) at mutual equal angular distance are provided. In each of the bores (11) a ...  
WO/1986/001255A1
The engine comprises a rotor assembly, in which four pistons (A, B, C and D) (Figs. 1 and 2) are mounted for concentric rotation within an engine housing (H). The four pistons are secured in diametrically opposite pairs onto hubs (CA and...  
WO/1986/000957A1
A rotary positive displacement machine, and more particularly an internal combustion engine in one of its simplest of many forms, has a housing (1) with inner walls closely surrounding four similar rotors (2, 3, 4 and 5) arranged in a sy...  
WO/1985/003549A1
A reversible rotary one-stroke internal combustion engine comprising a stator which defines a cylindrical chamber (43), a drive shaft (1) extending coaxially through said chamber, a rotor (2) comprising a cylindrical hub mounted coaxiall...  
WO/1985/001776A1
A rotary-piston, positive displacement machine operable as a compressor or combustion engine. The machine comprises a cylindrical enclosing jacket (12); a rotor (11) with apexes (15, 16) which sealingly engage the cylindrical inner wall ...  
WO/1984/004943A1
In a rotary machine (10) including a rotor (50) and a bore surface (37) with which the rotor interacts to cyclically define a fluid chamber (60) during rotation, a variable member (1002) defining part of the bore surface is movable relat...  
WO/1984/003124A1
A stator enclosure bounded by two side plates (12) confines three fixed blocks (11) and rotor components comprising an internal ring (14) eccentrically disposed about a centrally positioned power delivery shaft (15) which emerges from sa...  
WO/1984/000997A1
An internal combustion engine having a generally spherical cavity (14) within a rigid body (12), and the cavity (14) being divided into variable-sized compartments by a generally disk-shaped rotor (20) which is mounted for rotation about...  
WO/1984/000993A1
Rotary machines (10) of the type having a fluid chamber (60) of changing volume, e.g. as in an engine or pump, in which two rotors (50, 52) rotate in the same direction; a cylindrical surface (CL) of the first rotor of substantial arcuat...  
WO/1983/001276A1
A compound engine type power plant with high thermal efficiency and high power output including a compressor (10), a positive displacement combustor (12) for adding heat to a compressed working fluid at constant volume, and an expander (...  
WO/1982/003250A1
The rotary piston machine comprises a stator (1) with a substantially oval internal profile in which a rotor (2) may rotate coaxially to the stator and provided with blades (3) which may slide in the radial direction, the assembly being ...  
WO1982000176A1
A pair of toroidal cylinders (2, 4) are arranged in pairs with their transverse axes in colinear alignment. Each toroidal cylinder includes at least one piston (6A-6D). The pistons within adjacent toroidal combustion chambers rotate in o...  
WO/1980/001935A1
A rotary-piston machine for fluid medium has a cylindrical casing (5) containing therein a shaft (2) with a rotor (3) the peripherical surface of which is, throughout its length, in a sliding contact with the internal surface of the casi...  
WO/1980/001397A1
The combustion motor comprises in a fixed housing a rotor with three combustion chambers (2). A circular piston (3) interdependant of a shaft (4) is operated by a rotating piston (5) with which it is associated. A conventional assembly o...  
WO/1979/000157A1
In a rotary pistons machine comprising a cylindrical case and a coaxial driving shaft, the case (5, 18, 19, 20, 21) is provided with a rotary, chamber in which are placed three rotary pistons (15, 16, 17) having a sector shape and provid...  
JP2019015267A
[Subject] A multi-cylinder engine which can introduce EGR gas into each cylinder more appropriately is provided. [Means for Solution] To main part 1 of an engine, it is with the 1st exhaust air port 13 and the 2nd exhaust air port 14 whe...  
JP2019015263A
[Subject] Vehicles by which a rotary piston engine system and this which can improve air intake efficiency are carried are provided. [Means for Solution] Rotor housing 5 surrounding [main part 1 of an engine] the perimeter of a rotor, an...  
JP2019015262A
[Subject] An engine which can heighten driving force of a turbine more effectively is provided. [Means for Solution] The 1st flueway part 54 connected to flueway 50 in the 1st exhaust air port 13, The 2nd flueway part 51 connected to the...  
JP2019015265A
[Subject] A rotary piston engine which can discharge soot in rotor chamber houses, etc. appropriately is provided. [Means for Solution] A rotary piston engine which has rotor 3, rotor chamber houses 2 where a plurality of operation rooms...  
JP2019015264A
[Subject] A rotary piston engine which can make engine performance high without increasing a sliding resistance of a rotor is provided. [Means for Solution] In a rotary piston engine which has eccentric shaft 4, rotor 3 turning around th...  
JP2019015266A
[Subject] A rotary piston engine which can improve air intake efficiency is provided. [Means for Solution] Rotor housing 5 surrounding the perimeter of rotor 3 and side housing 6 which is provided in the side of rotor 3 and divides rotor...  
JP2019002405A
[Subject] In a rotary piston internal combustion engine, efficiency of power transmitted to an output shaft from a rotor by an eccentric shaft is improved. [Means for Solution] A rotary piston engine with a comet gear shaft comprises rot...  

Matches 651 - 700 out of 5,410