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公开(公告)号：US20220275769A1
公开(公告)日：2022-09-01
申请号：US17748689
申请日：2022-05-19
发明人： Ryan A. Sullivan , Gary S. Johnson
摘要： An air-cooled internal combustion engine including a crankshaft rotating about a crankshaft axis, a first cylinder having a first cylinder head, a second cylinder having a second cylinder head, and a blower assembly. The blower assembly includes a blower housing, a first fan, and a second fan. The first fan is positioned proximate the first cylinder and the second fan is positioned proximate the second cylinder. The first fan and the second fan are each received within the blower housing.
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公开(公告)号：US20220228517A1
公开(公告)日：2022-07-21
申请号：US17712285
申请日：2022-04-04
发明人： Adam J. Hellman , John Schneiker , Tim Kwiatkowski , Casey Groh , Robert Price , Ryan Sullivan , Gary Johnson
IPC分类号： F01M1/10 , F02B75/00 , F01M11/00 , F01M11/03 , F01M11/12 , F16N19/00 , A01D69/00 , F01M1/12 , F02F7/00
摘要： An engine assembly includes a small air-cooled engine and a dry sump lubrication system including an external oil reservoir, wherein the dry sump lubrication system has an overall oil capacity that provides at least five hundred hours of engine oil life.
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公开(公告)号：US11346219B2
公开(公告)日：2022-05-31
申请号：US16588066
申请日：2019-09-30
发明人： Shaul Haim Yaakoby
IPC分类号： F01B11/00 , F02B71/04 , F02B71/00 , F02B75/00 , F02F1/00 , F02F1/06 , F02F1/24 , F02F1/22 , F02F3/00 , F02F3/28 , F16J1/12 , F16J1/00 , F16J9/20 , F16J9/06 , F16J9/12 , F16J7/00 , F02M35/10 , F02M61/14 , F01L7/02 , F01N13/10 , F02B3/06 , F01N3/26 , F02B75/30 , F02B1/04 , F01B7/20
摘要： An internal combustion may include a cylinder having a first combustion chamber at one end and a second combustion chamber at an opposing end, first and second cylinder heads located at an end of the first and second combustion chambers, respectively, and a double-faced piston slidably mounted within the cylinder. The piston may be configured to move in the cylinder in a work stroke from one end to another. The work stroke may include an expansion stroke portion and a non-expansion stroke portion. The non-expansion stroke portion may include a momentum stroke portion, and a compression stroke portion. The engine may further include first and second piston rod portions extending from opposite faces of the piston. Passageways in the piston rod portions may be configured to communicate gases between a combustion chamber and other locations.
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公开(公告)号：US11248521B1
公开(公告)日：2022-02-15
申请号：US16998771
申请日：2020-08-20
申请人： Ibrahim Hanna
发明人： Ibrahim Hanna
摘要： Implementations are disclosed herein that relate to a cylinder occupying structure. An example provides a cylinder system comprising a mechanical cylinder including an internal space in which a fluid is introduced, and a piston configured for reciprocating motion in the internal space, and a cylinder occupying structure including an insertion rod acting as a second piston, wherein the insertion rod is variably inserted into, and retracted from, the internal space of the cylinder in correspondence with the reciprocating motion of the piston and where parts of the insertion rod and the piston may surround the combustion space, and where fluid compression and fluid combustion is conducted within separate spaces.
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公开(公告)号：US20210180507A1
公开(公告)日：2021-06-17
申请号：US16758918
申请日：2018-10-26
申请人： Richard Caldwell
发明人： Richard Caldwell
摘要： A multi-stage combustion engine includes: a pre-compression cylinder including a pre-compression piston operating therein; a combustion cylinder including a combustion piston operating therein. An operating rate of the pre-compression piston is less than an operating rate of the combustion piston.
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公开(公告)号：US10968742B2
公开(公告)日：2021-04-06
申请号：US16884266
申请日：2020-05-27
发明人： Shaul Haim Yaakoby
IPC分类号： F01B11/00 , F02F3/00 , F02F1/22 , F16J7/00 , F02B75/00 , F02B71/00 , F16J1/12 , F16J9/12 , F16J1/00 , F16J9/20 , F02B71/04 , F01N13/10 , F02F1/00 , F02F1/06 , F02F1/24 , F02M35/10 , F02M61/14 , F01L7/02 , F02F3/28 , F16J9/06 , F02B3/06 , F01N3/26 , F02B75/30 , F02B1/04 , F01B7/20
摘要： An internal combustion may include a cylinder having a first combustion chamber at one end and a second combustion chamber at an opposing end, first and second cylinder heads located at an end of the first and second combustion chambers, respectively, and a double-faced piston slidably mounted within the cylinder. The piston may be configured to move in the cylinder in a first stroke from one end to another. The first stroke may include an expansion stroke portion and a non-expansion stroke portion. The non-expansion stroke portion may include a momentum stroke portion. The non-expansion stroke portion may include a scavenging phase. The engine may further include first and second piston rod portions extending from opposite faces of the piston. Passageways in the piston rod portions may be configured to communicate gases between a combustion chamber and other locations.
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公开(公告)号：US20200180573A1
公开(公告)日：2020-06-11
申请号：US16596207
申请日：2019-10-08
发明人： Eric R. Slegelis , Travis Rasch
摘要： A machine includes a prime mover having a power take-off, a chassis configured to support at least an operator and the prime mover, a subframe pivotally coupled to the chassis about a pivot axis at a first location, at least one drive device configured to drive wheels of the machine, a drive belt and pulley arrangement. The subframe is further coupled to the chassis via at least one suspension device at a second location. The at least one drive device is driven by the prime mover and is coupled to the subframe. The pulley arrangement is configured to direct the drive belt from the power take-off of the prime mover to at least one drive pulley on the at least one drive device. The pulley arrangement comprises an idler pulley having a diameter and a rotational axis. The idler pulley is coupled to the chassis such that the rotational axis is spaced from the pivot axis by no greater than 1.5 times the diameter.
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公开(公告)号：US20200063559A1
公开(公告)日：2020-02-27
申请号：US16449636
申请日：2019-06-24
发明人： Eiichi KAMIYAMA
摘要： A pair of cylinders (2, 5) are arranged in parallel at the two sides of a crankshaft (8). The cylinders (2, 5) are respectively provided with pairs of pistons (3, 4, 6, 7). The crankshaft (8) has a pair of crankpins (12, 13). The axes of these crankpins (12, 13) are slanted with respect to the axis of the crankshaft (8) in opposite directions. The crankpins (12, 13) have the rocker members (14, 15) attached to them to be able to turn. The tip ends of the arms (16) of the rocker member (14, 15) are connected to the connecting rods (11) of the corresponding pistons (3, 4, 6, 7). If the pistons (3, 4, 6, 7) reciprocate the rocker members (14, 15) engage in swinging motion and the crankshaft (8) rotates.
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公开(公告)号：US20200024946A1
公开(公告)日：2020-01-23
申请号：US16588066
申请日：2019-09-30
发明人： Shaul Haim YAAKOBY
IPC分类号： F01B11/00 , F02B71/00 , F02B75/00 , F16J1/12 , F16J9/12 , F16J1/00 , F16J9/20 , F02B71/04 , F01N13/10 , F02F1/00 , F02F1/06 , F02F1/24 , F02F3/00 , F02M35/10 , F02M61/14 , F16J7/00 , F02F1/22 , F01L7/02 , F02F3/28 , F16J9/06
摘要： An internal combustion may include a cylinder having a first combustion chamber at one end and a second combustion chamber at an opposing end, first and second cylinder heads located at an end of the first and second combustion chambers, respectively, and a double-faced piston slidably mounted within the cylinder. The piston may be configured to move in the cylinder in a work stroke from one end to another. The work stroke may include an expansion stroke portion and a non-expansion stroke portion. The non-expansion stroke portion may include a momentum stroke portion, and a compression stroke portion. The engine may further include first and second piston rod portions extending from opposite faces of the piston. Passageways in the piston rod portions may be configured to communicate gases between a combustion chamber and other locations.
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公开(公告)号：US10443538B2
公开(公告)日：2019-10-15
申请号：US15352443
申请日：2016-11-15
发明人： Ryan A. Sullivan , Gary S. Johnson
IPC分类号： F01P1/00 , F02F7/00 , F01P5/02 , F01P1/02 , F01P11/12 , F01P5/04 , F02B75/00 , F02B75/22 , F02B75/18
摘要： An air-cooled internal combustion engine including a crankshaft, a cylinder, a blower assembly including a blower housing and a fan, and a static cover. The static cover includes a main body that is aligned with the crankshaft, an arm that extends from the main body and is aligned with the cylinder, and a plurality of air intake openings. A first subset of the air intake openings is formed through the main body and a second subset of the air intake openings is formed through the arm, and the static cover is configured to prevent user access to a moving component of the engine. The fan is configured to move air into the blower housing through the air intake openings.
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