10results about "Engines with rotating cylinders" patented technology

Hydrostatic radial piston rotation machine comprising: an internal element and an external element coaxial and mounted to rotate relative to each other about an axis of rotation, one of these elements being a rotor and the other of these elements being a stator; the internal element comprising a cylinder block (10); the external element comprising a cam track. The machine comprises a drainage circuit which comprises, for at least one cylinder (11), an injection duct (26) passing through the wall of the cylinder (11), the injection duct (26) opening at one of its ends into the cylinder (11) through a port (27), and opening at the other of its ends, from the cylinder block (10), into a drainage space supplied with hydraulic fluid. Figure for the abstract: Fig.2

To provide a rotary high-pressure gas-powered engine that provides a highly thermally efficient power source using the enormous volume change caused by the vaporization of liquid water as a power source. [Solution] The present invention relates to a rotary high-pressure gas-powered engine, which includes a rotor including a plurality of cylinders and a plurality of vent holes communicating with the interiors of the cylinders, a spindle 30 inserted through the stator mechanism and the rotor, a plurality of pistons 40 movably housed in the cylinders, each having a piston shaft rod protruding axially from the plurality of slots and moving along the rail, and a plurality of air covers 50, in which high-pressure gas passes through the cylinders 21 to push the pistons, and after a power stroke, the pistons move to discharge the high-pressure gas in the cylinders.

A pump (100) is provided with: a cylinder (30) that rotates together with a shaft (20); a piston (36) that is slidably inserted into a cylinder (31) formed in the cylinder body (30); a port block (50) having a first port (41) through which the working fluid supplied to the volume chamber (32) flows, and a second port (45) through which the working fluid discharged from the volume chamber (32) flows; and a capacity changing unit (70) that changes the relative positional relationship between the port block (50) and a cam ring (60) by rotating the cam ring (60) having a cam surface (61) and the port block (50) about a rotation center axis (C1), thereby changing the amount of the working fluid guided to the volume chamber (32).

A pump (100) includes: a cylinder block (30) configured to rotate together with a shaft (20); a piston (36) that is slidably inserted into a cylinder (31) formed in the cylinder block (30); a port block (50) having a first port (41) through which a working fluid supplied to a capacity chamber (32) flows and a second port (45) through which a working fluid discharged from the capacity chamber (32) flows; a cam ring (60) having a cam surface (61); and a capacity changing unit (70) configured to change an amount of the working fluid guided into the capacity chamber (32) by causing the port block (50) to rotate about a rotation center axis (C1) and changing a relative positional relation between the port block (50) and the cam ring (60).

Hydrostatic radial piston rotation machine comprising an internal element (1) and an external element (2) coaxial and mounted to rotate relative to each other around an axis of rotation (R), one of these elements being a rotor and the other of these elements being a stator; the internal element (1) comprising a cylinder block (10); the external element (2) comprising an annular housing (5) surrounding the cylinder block (10), as well as a cam ring (9) mounted in the annular housing (5). The cam ring (9), on its external circumference, and the annular housing (5), on its internal face, each comprise a fitting profile, one of these fitting profiles being a concavity, and the other of these fitting profiles being a convexity (38), the two fitting profiles being of complementary shapes and being fitted into each other. Figure for the abstract: Fig.1

A hydrostatic rotary machine with radial pistons comprising: an internal element and an external element coaxial and mounted to rotate relative to each other about an axis of rotation, one of these elements being a rotor and the other a stator; the internal element comprising a cylinder block (10); the external element comprising a cam track. The machine includes a drainage circuit which includes, for at least one cylinder (11), an injection conduit (26) passing through the wall of the cylinder (11), the injection conduit (26) opening at one end into the cylinder (11) through a port (27), and opening at the other end, from the cylinder block (10), into a drainage space supplied with hydraulic fluid. Figure for the abbreviation: Fig. 2

The claimed invention relates to internal combustion engines. An annular internal combustion engine contains a plurality of pistons (5), a cylinder block (7), and a plurality of working cylinders in the cylinder block (7), where the number of cylinders corresponds to the number of pistons (5). The engine has a first seal (1), a first bearing (2), a working shaft cover (3), a working shaft (4), a second bearing (6), a third bearing (8), a first cylinder head (9), a second cylinder head (10), a camshaft (11), a nut (12), a cylinder head cover (13), a fourth bearing (14), and a second seal (15).

The present disclosure relates to a piston unit (1) for a radial piston device (1), comprising a radial piston (6) and a cylindrical roller (7), wherein the roller (7) is displaceable in the radial direction by actuation of the radial piston (6) and is designed to be in rolling contact with a cam contour (4) on a housing (3) of the radial piston device (2), wherein the piston unit (1) has a ball bearing device (8) which is arranged radially between the radial piston (6) and the roller (7) and has a plurality of balls (9) rotating around the ball bearing device (8) for supporting the roller (7) in the radial piston (6). Furthermore, the present disclosure relates to a radial piston device (2) having a plurality of such piston units (1).

Hydrostatic radial piston rotation machine comprising an internal element (1) and an external element (2) coaxial and mounted to rotate relative to each other about an axis of rotation (R), one of these elements being a rotor and the other of these elements being a stator; the internal element (1) comprising a cylinder block (10); the external element (2) comprising an annular housing (5) surrounding the cylinder block (10), and a cam ring (9) mounted in the annular housing (5). The cam ring (9), on its outer circumference, and the annular housing (5), on its inner face, each have a fit profile, one of these fit profiles being a concave, and the other a convex (38), the two fit profiles being of complementary shapes and being nested one inside the other. Figure for the abbreviation: Fig. 1

The internal combustion engine comprises a first rotor member (11) rotatably carried according to a first axis of rotation (21) and a second rotor member (12) rotatably carried according to a second axis of rotation (22) coaxial with said first axis of rotation (21 ). A first and a second pair of opposed cylinders (30) are associated with said first rotor member (11). Said opposed cylinders (30) have respective pistons (31) adapted to define within the same cylinders (30) relative combustion chambers (32) and connected, by means of connecting rod means (33), to said second rotor member (12).