US4782801A — Internal combustion motor

Claim 1

Independent Claim 328 words

Internal combustion motor, in particular a lift-piston motor with internal combustion and with cylinders arranged in-line, as well as with at least one rotating control element for the gas charge change processes which is arranged between cylinder block and cylinder cover of cylinder head with an axis of rotation lying perpendicular to the cylinder axis and presents between two rotational-axially extending pivots a control body standing in fixed connection with the pivots, there being provided in the cylinder head counter-surfaces uniformly surrounding the control body and the pivots, and each pivot being traversed by an axially extending gas channel, which in each case goes over into an elbow-form gas control channel arranged in the control body, which channel emerges with an opening at the surface of the control body, and means being provided for the transfer of a rotary movement from the crankshaft to the control element, characterized in that: the control body comprises a spherical rotary slide valve (15) consisting of two hemispherical shell-shaped parts (40 and 41) welded together gas-tight; said parts (40 and 41) supplementing each other to provide a hollow sphere having an equatorially arranged separating seam (39); the pivots being tubular bearing pivots (43 and 44 welded centrally onto opposite sides of said hollow sphere; the two elbow-form channels (46 and 47) penetrate said separating seam (39) of said hollow sphere at a predetermined control angle; one end (48 and 49) of each channel (46 and 47) issuing in closed linkage into associated one of openings (50 and 51) of the parts (40 and 41); and the other end (53 and 54) of each channel (46 and 47) penetrating an associated one of said tubular bearing pivots (43 and 44) coaxially with each other to provide cooling channels (56 and 57) adjacent to said other ends (53 and 54) and bounded by outer mantle surfaces of said control channels (46 and 47) and inner mantle surfaces of said bearing pivots (43 and 44).

Claim 2

Dependent Claim 328 words

Internal combustion motor, in particular a lift-piston motor with internal combustion and with cylinders arranged in-line, as well as with at least one rotating control element for the gas charge change processes which is arranged between cylinder block and cylinder cover of cylinder head with an axis of rotation lying perpendicular to the cylinder axis and presents between two rotational-axially extending pivots a control body standing in fixed connection with the pivots, there being provided in the cylinder head counter-surfaces uniformly surrounding the control body and the pivots, and each pivot being traversed by an axially extending gas channel, which in each case goes over into an elbow-form gas control channel arranged in the control body, which channel emerges with an opening at the surface of the control body, and means being provided for the transfer of a rotary movement from the crankshaft to the control element, characterized in that: the control body comprises a spherical rotary slide valve (15) consisting of two hemispherical shell-shaped parts (40 and 41) welded together gas-tight; said parts (40 and 41) supplementing each other to provide a hollow sphere having an equatorially arranged separating seam (39); the pivots being tubular bearing pivots (43 and 44 welded centrally onto opposite sides of said hollow sphere; the two elbow-form channels (46 and 47) penetrate said separating seam (39) of said hollow sphere at a predetermined control angle; one end (48 and 49) of each channel (46 and 47) issuing in closed linkage into associated one of openings (50 and 51) of the parts (40 and 41); and the other end (53 and 54) of each channel (46 and 47) penetrating an associated one of said tubular bearing pivots (43 and 44) coaxially with each other to provide cooling channels (56 and 57) adjacent to said other ends (53 and 54) and bounded by outer mantle surfaces of said control channels (46 and 47) and inner mantle surfaces of said bearing pivots (43 and 44).

Claim 3

Dependent Claim 88 words

Internal combustion motor according to claim 1, characterized in that the pivots (43, 44) are borne in the cylinder head, and that in the cylinder head there are arranged cup-shaped counter-surfaces (25, 27) surrounding the control body (15), in which system in the cup surface (27) adjacent to the cylinder there is borne a sealing ring (33, 33a, 33b) preferably turnable about its axis which lies against the surface of the hollow sphere (15) and seals the combustion chamber (95) of the cylinder (11) against the outer space.

Claim 4

Dependent Claim 37 words

Internal combustion motor according to claim 1, characterized in that the cylinder head is divided in two perpendicularly to the cylinder axis and the division runs through the rotation axis (90) of the rotary slide valve (15).

Claim 5

Dependent Claim 75 words

Internal combustion motor according to claim 1, characterized in that in the cylinder head with the exception of the entry zones of the pivots (43, 45) on cylinder cover side there is provided a cup-shaped or spherical dome-shaped counter-surface (25) and on cylinder bore side in the cylinder head (12) with the exception of the entry zones of the bearing pivots (43, 44) and the cylinder bore there is arranged a spherical dome-shaped counter-surface (27).

Claim 6

Dependent Claim 21 words

Internal combustion motor according to claim 1 characterized in that in the cylinder block (11) there are introduced cooling channels (23).

Claim 7

Dependent Claim 44 words

Internal combustion motor according to claim 3 characterized in that flange caps (21, 22) are placed on the cylinder head (12) which cover the bearing places for the slide valve (15) which are arranged between the cylinder cover (13) and the cylinder block (11).

Claim 8

Dependent Claim 24 words

Internal combustion motor according to claim 1, characterized in that a piston (17) has a face surface (28) constructed in spherical shell segment form.

Claim 9

Dependent Claim 45 words

Internal combustion motor according to claim 1, characterized in that in the face surface (28) of the piston (17) there is introduced a radially extending groove (29) into which there extend the electrodes of a spark plug (30) radially screwed in the cylinder block (11).

Claim 10

Dependent Claim 26 words

International combustion motor according to claim 8, characterized in that to the groove (29) there is allocated a cooling rib (31) lying inside the piston skirt.

Claim 11

Dependent Claim 77 words

Internal combustion motor according to claim 4 characterized in that on both sides with equal spacing beside the center of the sphere (15) there is borne in each case a sealing ring section (34) in a groove in the spherical dome surface (25 and 27), and that the sealing strips (34) extend perpendicular to the axis of rotation (90) of the spherical rotary slide valve (15) an impage vertically on the plane of the sealing ring (33).

Claim 12

Dependent Claim 23 words

Internal combustion motor according to claim 7, characterized in that the piston (17) presents a rotationally symmetric formation of its face surface (28).

Claim 13

Dependent Claim 53 words

Internal combustion motor according to claim 1, characterized in that the cross sections of the zones of the control channels (46) issuing in the openings (50 and 51) are formed about rectangularly and the cross section of the zones of the control channels issuing in the tubular bearing pivots (43) is formed circularly.

Claim 14

Dependent Claim 84 words

Internal combustion motor according to claim 1, characterized in that the bearing pivot (43) presents on its free end away from the sphere a radially extending ring (60) and the bearing pivot (44) on the corresponding end presents a radially extending ring (61), with which in each case the allocated of the control channels and 47) are welded gas-tight, and that the ends (48 and 49) are welded gas-tight in each case in the openings (51 and 52) of the parts (40 and 41).

Claim 15

Dependent Claim 118 words

Internal combustion motor according to claim 1 characterized in that the bearing pivot (43) has on its outer mantle surface an annular projection (63) extending radially outward in the manner of a flange ring with a gear rim (46) fastened to it with radially extending teeth, which gear rim is arranged outside the bearing opening (81), which rim is connected with drive means, and that the outer mantle surface of the other bearing pivot (44) has a radially extending annular projection (65) which is arranged outside the bearing opening (79) and lies, conditioned by the drive with a slide ring or the like on the face surface of the cylinder cover (13) and of the cylinder block (11)

Claim 16

Dependent Claim 49 words

Internal combustion motor according claim 1 characterized in that the two bearing pivots (43, 44) are traversed radially by at least one bore (67 or 68), so that the cooling channels (56 and 57) communicate over these bores with a coolant-conducting channel (71) and with a coolant-discharging channel (72).

Claim 17

Dependent Claim 23 words

Internal combustion motor according to claim 6 characterized in that the flange caps (21, 22) bear slide ring seals (75, 76, 77, 78).

Claim 18

Dependent Claim 54 words

Internal combustion motor according to claim 3 characterized in that the spherical rotary slide valve (15) is borne by means of its bearing pivots (43 and 44) in cylindrical bearing openings (79 and 81) which are provided expediently in each case half in the cylinder block (11) and half in the cylinder cover (13).

Claim 19

Dependent Claim 37 words

Internal combustion motor according to claim 1 characterized in that the cylinder cover (13) is contructed in two parts and presents a spherical cup-shaped cover upper part (92) and a spherical cup annular cover lower part (93).

Claim 20

Dependent Claim 64 words

Internal combustion motor according to claim 18, characterized in that the cover part (93) presents an inclined lateral threaded bore (94) into which the spark plug (30a) is screwed, which extends with its ignition electrodes into a combustion chamber (95a) present above the cylinder bore (26), and, namely, between the face surface (28b) of the piston (17) and the spherical rotary slide valve (15).

Claim 21

Dependent Claim 30 words

Internal combustion motor according to claim 4 characterized in that between the spherical surface and the spherical dome surfaces (25, 27) there is provided a gap (108) without oil film.

Claim 22

Dependent Claim 42 words

Internal combustion motor according to claim 2 characterized in that the sealing ring (33b) is seated in an annular groove (97) preferably inclined to the cylinder axis, which is introduced into the cup surface (27) of the cylinder cover lower part (93).

Claim 23

Dependent Claim 67 words

Internal combustion motor according to claim 21, characterized in that the sealing ring (33b) consists of heat-resistant materials with good sliding properties, is admitted into a supporting body (99) in such a way that it lies both against the spherical surface and also in the annular groove (97) arranged obliquely to the cylinder axis, is supported over spring elements (100) and can rotate about its own axis.

Claim 24

Dependent Claim 19 words

Internal combustion motor according to claim 1 characterized in that the spherical rotary slide valve consists of ceramic material.

Claim 25

Dependent Claim 53 words

Internal combustion motor according to claim 23, characterized in that the spherical rotary slide valve (15) has exclusively on gas-outlet side said cooling channel (57) that surrounds the gas channel (47) and passes through the remaining hollow space of the sphere, the bearing pivot (43) and the gas channel (46) forming a unit.

Claim 26

Dependent Claim 53 words

Internal combustion motor according to claim 6, characterized in that the axial bearing of the spherical rotary slide valve (15) is assured by an axial bearing (101) that lies on one side on the gear wheel (64a) and on the other side presses against an annular edge (103) in the flange cap (21).

Claim 27

Dependent Claim 40 words

Internal combustion motor according to claim 25, characterized in that the drive of the spherical slide valve (15) is transferred over a worm wheel (102) the pitch of which presses the spherical rotary slide valve against the cap edge (103).

Claim 28

Dependent Claim 34 words

Internal combustion motor according claim 25 characterized in that a pump wheel (106) is arranged inside the flange cap (22) on the bearing pivot (44), which drives the coolant through the cooling channel (57).

Claim 29

Dependent Claim 25 words

Internal combustion motor in particular claim 8 characterized in that the spark plug is arranged in the slide valve body turning with uniform angular velocity.

Claim 30

Dependent Claim 60 words

Internal combustion motor according to claim 28, characterized in that in the zone of a plane that passes through the center of the sphere there is provided between the outer walls of the elbow parts of the gas channels (46 and 47) a spacing that creates an interspace which is penetrated by a spark plug (110) on a diametral line.

Claim 31

Dependent Claim 153 words

Internal combustion motor according to claim 29, characterized in that the spark plug system presents an electrically conducting spark plug inset ring (111) with a ground electrode (113) in the interior of which there are arranged first an insulating body (114) and in it a middle electrode (112), the inset ring (111) being screwed into a metal tube (115) that passes through the sphere on the diametral line and is welded air-tightly with the spherical shell at the respective exits (116) of the metal sphere, and in which in the tube (115) there is present axially or centrally an ignition line (117) which is embedded in an envelope (118) of electrically insulating material, and in which the ignition line (17) ends at the end lying opposite the inset (111) on the surface of the hollow sphere in a slide shoe and stands at the other end in contact with the middle electrode (112).

Claim 32

Dependent Claim 46 words

Internal combustion motor according to claim 30, characterized in that in the cylinder head upper part (13, 92) there is screwed with a thread an ignition current transfer part (119) which consists of a central ignition line, an insulating body around it and a casing (120).

Claim 33

Dependent Claim 61 words

Internal combustion motor according to claim 30, characterized in that from the turnable spherical slide valve (15) to the stationary components (11, 11a, 13, 92) there is arranged a slip ring (123) on the flange ring (65) or on the flange ring (63), and that there is provided a brush (112) fastened on stationary side lying opposite the slip ring (123).

Claim 34

Dependent Claim 32 words

Internal combustion motor according to claim 8 characterized in that the spark plug during the upper deadpoint is arranged in the middle of the combustion chamber (95) on its upper boundary surface.

Claim 35

Dependent Claim 22 words

Internal combustion motor according claim 8 characterized in that the spark plug is arranged in the cooling space of the sphere (15).

Claim 36

Dependent Claim 28 words

Internal combustion motor according claim 1, characterized in that it has several cylinders at its disposal and over each cylinder there is arranged a spherical rotary slide valve.

Claim 37

Dependent Claim 38 words

Internal combustion motor according to claim 35, characterized in that the cylinder are arranged in a row and the axis of rotation of the spherical rotary slide valve is arranged transversely to the array direction of the cylinders.

Claim 38

Dependent Claim 26 words

Internal combustion motor according to claim 36, characterized in that axis of rotation of the spherical rotary slide valve is arranged perpendicularly to the cylinder axis.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1991-11-08	1992-05-09	1992-11-08	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1995-11-08	1996-05-09	1996-11-08	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1999-11-08	2000-05-09	2000-11-08	$7700.00	Window Closed / Lapsed

Internal combustion motor

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