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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Применить Всего найдено 15. Отображено 12.
16-01-2020 дата публикации

LINEAR ACTUATOR FOR VALVE CONTROL AND OPERATING SYSTEMS AND METHODS

Номер: US20200020472A1
Автор: Edrington Christopher S., Gonsoulin David, Perkins Dallas, Vahedi Hesan
Принадлежит:

Linear actuators are disclosed. The linear actuator comprises a thruster and a stator. The thruster includes a thruster winding, and the stator includes a stator winding. The stator is disposed about the thruster. The linear actuator also includes a sheath disposed about the stator and the thruster. The thruster is configured to translate within the sheath relative to the stator upon application of an electrical current to the stator winding, the thruster winding, or a combination thereof. The stator winding and the thruster winding each comprise a nonpermanent magnet. 1. A linear actuator , comprising:a thruster comprising a thruster winding;a stator disposed about the thruster, wherein the stator comprises a stator winding, wherein the stator comprises a first portion and a second portion spaced apart from each other, and wherein the stator winding comprises a first stator winding disposed within the first portion of the stator and a second stator winding disposed within the second portion of the stator; anda sheath disposed about the stator and the thruster,wherein the thruster is configured to translate within the sheath relative to the stator upon application of an electrical current to the stator winding, the thruster winding, or a combination thereof, andwherein the stator winding and the thruster winding each comprise a nonpermanent magnet.2. The linear actuator of claim 1 , wherein the first portion of the stator comprises a first stator connection and the second portion of the stator comprises a second stator connection.3. The linear actuator of claim 1 , wherein the thruster comprises a thruster disk attached thereto claim 1 , wherein the thruster disk is disposed between the first portion of the stator and the second portion of the stator.4. The linear actuator of claim 1 , wherein the thruster winding is disposed within the thruster disk.5. The linear actuator of claim 4 , wherein the thruster disk comprises a thruster connection.6. The linear actuator ...

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Номер записи: 1
20-02-2020 дата публикации

INTAKE/EXHAUST VALVE AND OPERATION CONTROL METHOD FOR INTERNAL COMBUSTION ENGINE

Номер: US20200056517A1
Автор: MURAKAMI Kazuto
Принадлежит: OZMA ELECTRONIC CONTROL CO., LTD.

A housing of an exhaust valve is provided for an exhaust port communicating with a combustion chamber. The housing has a plate-shaped portion formed with a plurality of fixed slits radially extending from the central axis of the port. A valve element is provided adjacent to the plate-shaped section, is rotatable around a central axis, and has formed with a plurality of movable slits radially extending from the central axis. Due to the action of electromagnets and a permanent magnet attached to an annular member, the valve body is rotationally displaced around the central axis of the port, and the relative positional relationship between the fixed slits and the movable slits is changed to open and close the exhaust valve. The same is also true for an intake valve. 1. An intake/exhaust valve for an internal combustion engine , comprising:a housing provided on an intake port and/or an exhaust port, which communicates with a combustion chamber, the housing having a plate-shaped portion provided with a plurality of fixed slits radially extending from a central axis of the port;a valve element provided adjacent to the plate-shaped portion, the valve element being rotatable about the central axis and being provided with a plurality of movable slits radially extending from the central axis; anda drive mechanism rotating the valve element about the central axis to change a relative positional relationship between the fixed slits and the movable slits;wherein the drive mechanism comprises an annular member, provided in the housing to be rotatable about the central axis and has permanent magnets arranged evenly distributed around the central axis, and electromagnets, provided outside the housing and disposed at positions corresponding to the permanent magnets,the electromagnets are arranged such that first and second ends of iron cores are close to the annular member, the permanent magnets are arranged such that an N-pole or an S-pole is close to the first and second ends of ...

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Номер записи: 2
07-05-2020 дата публикации

CAM PHASER CAMSHAFT COUPLING

Номер: US20200141285A1
Автор: SMERCZAK John R.
Принадлежит:

A hydraulically-actuated camshaft phaser includes a camshaft sprocket having a plurality of teeth configured to engage an endless loop that transmits angular motion from the crankshaft to the hydraulically-actuated camshaft phaser; a rotor, coupled with the camshaft sprocket to prevent angular movement between the camshaft sprocket and the rotor, that includes one or more vanes extending radially outwardly forming a plurality of fluid chambers; and a housing that selectively changes angular position relative to the rotor and the crankshaft and is configured to be linked with a variable phase camshaft to change the angular position of the variable phase camshaft relative to the crankshaft. 1. A hydraulically-actuated camshaft phaser , comprising:a camshaft sprocket having a plurality of teeth configured to engage an endless loop that transmits angular motion from the crankshaft to the hydraulically-actuated camshaft phaser;a rotor, coupled with the camshaft sprocket to prevent angular movement between the camshaft sprocket and the rotor, that includes one or more vanes extending radially outwardly forming a plurality of fluid chambers; anda housing that selectively changes angular position relative to the rotor and is configured to be linked with a variable phase camshaft to change the angular position of the variable phase camshaft relative to the crankshaft.2. The hydraulically-actuated camshaft phaser recited in claim 1 , wherein the housing is directly connected to the variable phase camshaft.3. The hydraulically-actuated camshaft phaser recited in claim 1 , further comprising a phaser output gear coupled with the housing that communicates relative angular displacement between the rotor and the housing to the variable phase camshaft.4. The hydraulically-actuated camshaft phaser recited in claim 1 , further comprising a fixed phase camshaft that is coupled to the rotor and the variable phase camshaft coupled to a variable phase camshaft sprocket claim 1 , wherein ...

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Номер записи: 3
09-06-2016 дата публикации

ENGINE BRAKING VIA ADVANCING THE EXHAUST VALVE

Номер: US20160160710A1
Автор: Joergl Volker, KELLER Philip S., Roth David B.
Принадлежит:

One variation may include a product including: an engine having at least one cylinder, the cylinder having at least one blowdown exhaust valve, at least one scavenging exhaust valve, and at least one intake valve, the engine further having a first actuator connected to the at least one blowdown exhaust valve and a second actuator connected to the scavenging exhaust valve and controller connected to one of the first or second actuator and adapted and configured to advance the timing of one of the blowdown or scavenging exhaust valves when the controller receives a braking signal. 1. A product comprising:an engine having at least one cylinder, the cylinder having at least one blowdown exhaust valve, at least one scavenging exhaust valve, and at least one intake valve, the engine further having a first actuator connected to the at least one blowdown exhaust valve and a second actuator connected to the scavenging exhaust valve anda controller connected to one of the first or second actuator and adapted and configured to advance the timing of one of the blowdown or scavenging exhaust valves when the controller receives a braking signal.2. A product as set forth in wherein one of the first or second actuators is a variable camshaft phaser.3. A product as set forth in wherein the first actuator comprises a first camshaft and a first rocker arm and wherein the second actuator comprises a second camshaft and rocker arm.4. A product as set forth in wherein the intake valve is connected to one of the first or second actuators.5. A product as set forth in wherein the intake valve is connected to a third camshaft and rocker arm.6. A product as set forth in wherein one of the first or second actuators is a solenoid.7. A product as set forth in wherein both the first and second actuators are variable camshaft phasers.8. A product for providing engine braking of an engine having at least one cylinder claim 1 , the at least one cylinder having at least one exhaust valve connected to ...

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Номер записи: 4
30-06-2016 дата публикации

Electromagnetic actuating apparatus and system for adjusting a functionality of a motor vehicle assembly

Номер: US20160186622A1
Автор: Maria Gruener, Timo Rigling
Принадлежит: ETO MAGNETIC GMBH

An electromagnetic actuating apparatus with two armature means which are designed to exert an actuating force on two tappet units which are extended in the longitudinal direction along a longitudinal movement axis and are guided such that they can be moved in a parallel manner in a common guide section of a housing which accommodates the armature means, wherein the tappet units each have an engagement end which is designed to interact with an actuating groove in a motor vehicle motor adjustment system and projects from the guide section at least in an engaged state, and the common guide section forms a guide end surface in which guide openings associated with the two tappet units, are open, wherein a connecting path which runs through centre axes of the only two guide openings in the guide end surface forms an offset (v) from a surface centre point of the guide end surface and/or from a surface centre point of a housing end surface of the housing, wherein the surface centre point lies on a perpendicular bisector of the connecting path.

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Номер записи: 5
02-08-2018 дата публикации

ELECTROMAGNETIC LINEAR MOTOR

Номер: US20180216504A1
Автор: DE MAR Paolo
Принадлежит:

An electromagnetic linear motor is described. It comprises a tubular stator () having a longitudinal axis (W); and a permanently magnet () with poles oriented along the axis and linearly movable along said axis inside the stator (). The stator () comprises at least two columns (A, B) formed by electromagnets (), each electromagnet () comprising a core (U) formed by a central straight segment () and two end polar expansions () all being oriented towards the—and orthogonally to—said axis (W), The columns are circularly arranged around said the permanent magnet (), and mutually linearly offset along said axis. 1. Electromagnetic linear motor comprising:{'b': '1', 'a tubular stator () having a longitudinal axis (W); and'}{'b': 8', '7', '7', '7', '1, 'i': a', 'b, 'a rectilinear stem () on which there is keyed a permanently magnetized component (, -) linearly movable along the axis inside the stator (),'}{'b': 1', '2, 'the stator () comprising at least two columns (A, B) formed by electromagnets (),'}{'b': 2', '4', '3', '5', '4', '5, 'each electromagnet () comprising a ferromagnetic (U) core comprising a central straight segment (), with an axis (q), wound by a winding () and two polar expansions () arranged at the ends of—and orthogonal to—the central straight segment (), said polar expansions () being oriented towards the—and orthogonally to—said axis (W),'}{'b': 2', '4', '5', '2', '5, 'each electromagnet () being arranged by aligning the central segment () and said axis (q) to form columns (A, B) having their axis (Q) parallel to the longitudinal axis (W), and arranged so that in each column the polar expansion () of an electromagnet () is aligned, and spaced by a spacing (Z), with respect to the polar expansion () of an adjacent electromagnet of the same column,'}wherein the columns are{'b': 7', '7', '7, 'i': a', 'b, 'circularly arranged around said component (,-), and'}{'b': 2', '2, 'mutually offset along the longitudinal axis (W) by a distance (h), so that the ...

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Номер записи: 6
25-08-2016 дата публикации

Two Path Two Step Actuator

Номер: US20160245133A1
Автор: STRETCH Dale Arden
Принадлежит: EATON CORPORATION

An actuator comprises a hollow first piston () comprising a first extant with a first outer diameter (D) and a second extant comprising a second outer diameter (D), where D>D. A second piston () is slidable within the first piston. An actuator housing () comprising a recess (), a first tubular port () in communication with the first piston, and a second tubular port () in communication with the second piston. The first extant has a length (L) and wherein the second extant has a length (L). The first tubular port extends for a length (L), and the recess extends for a length (L), where L≧L, and where L>L>L. The first piston and the second piston are housed in the recess. 127-. (canceled)28. An actuator , comprising:a hollow first piston comprising a first extant and a second extant;a second piston slidable within the first piston; andan actuator housing comprising a recess, a first tubular port in fluid communication with the first piston, and a second tubular port in fluid communication with the second piston,wherein the first piston and the second piston are housed in the recess, andwherein the first tubular port extends alongside the second extant.29. The actuator of claim 28 , wherein the second piston is concentric with the first piston along an axis A-A claim 28 , wherein the first tubular port comprises a first central axis B-B claim 28 , wherein the second tubular port comprises a second central axis C-C claim 28 , and wherein axis A-A is parallel to first central axis B-B and second central axis C-C.30. The actuator of claim 29 , wherein the first piston and the second piston reciprocate along the axis A-A.31. The actuator of claim 28 , wherein the first tubular port fluidly communicates with only the first piston claim 28 , and wherein the second tubular port fluidly communicates with both the first piston and the second piston.32121. The actuator of claim 28 , wherein the first extant has a diameter D claim 28 , and wherein the second extant has a diameter ...

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Номер записи: 7
08-10-2020 дата публикации

Actuator with open-loop control direct drive

Номер: US20200318505A1
Автор: Antoine BOURGADE, Antoine Foucaut, Pierre GEMBERLÉ
Принадлежит: MMT SA

Travel of a brushless rotary actuator is limited by two stops, including a wound stator and a magnetic cylindrical rotor rigidly attached to a shaft having a first end rigidly attached to a control member. A second end of the shaft is rigidly attached to a travel limiting part acting as stops, and the travel limiting part has bending, resilient beam shapes. The actuator is electrically controlled in an open-loop. A control system controls a lift value of valves of an internal combustion engine by a lever driven by such an actuator.

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Номер записи: 8
13-12-2018 дата публикации

Stator Assembly

Номер: US20180355769A1
Автор: David Kelly, Owen Evans, Richard TYRRELL, Roger Stone
Принадлежит: Camcon Auto Ltd

A stator assembly for receiving at least two rotors. The assembly comprises at least two individual stators which are divided into stator segments, with at least one segment being a shared segment which forms part of at least two adjacent individual stators. An engine valve actuation assembly includes a stator assembly comprising at least two individual stators. Each individual stator comprises a peripheral portion extending around the longitudinal axis of the stator, with part of the peripheral portion of each stator forming part of the peripheral portion of an adjacent individual stator. Methods for assembling a stator assembly are also described.

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Номер записи: 9
05-05-2015 дата публикации

Electromagnetic actuating device and camshaft adjuster

Номер: US9021995B2
Автор: Thomas Golz
Принадлежит: ETO MAGNETIC GMBH

The invention relates to an electromagnetic actuating device ( 1 ) for a camshaft adjustment device of an internal combustion engine of a motor vehicle, with an elongated actuating element ( 2 ) forming an engagement region on the end side and movable by the force of a coil device ( 29 ) provided in a stationary manner, which actuating element preferably has in parts a cylindrical covering contour and penetrates a cut-out ( 8 ) in permanent magnet means ( 6 ) arranged on the shell side, which are constructed for cooperating with a stationary core region ( 5 ) comprising a core body ( 15 ), and which actuating element lies in a switching position with a contact surface ( 11 ), on the end side on the actuating element side, against a contact surface ( 10 ) on the core region side. Provision is made that the contact surface ( 11 ) on the core region side is formed at least in part by a contact element ( 16 ) fixed in the core body ( 15 ), which contact element is constructed from a material which has a greater hardness than the material of the core body ( 15 ).

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Номер записи: 10
01-05-2018 дата публикации

Systems and methods for a latchable refueling valve

Номер: US09956867B2
Автор: Dennis Seung-Man Yang, Kevin LUCKA, Robert Ognjanovski, JR., Russell Randall Pearce
Принадлежит: FORD GLOBAL TECHNOLOGIES LLC

Methods and systems are provided for a latchable refueling valve designed to reduce noise associated with opening and closing the valve. In one example, a system may include a valve armature with first and second latch indices formed on an outer diameter of the armature. The latch indices may be rounded and configured to engage with a latch guide to enable rotation between the armature and the latch guide.

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Номер записи: 11
11-07-2017 дата публикации

Electromagnetic actuating apparatus and system for adjusting a functionality of a motor vehicle assembly

Номер: US09702278B2
Автор: Maria Gruener, Timo Rigling
Принадлежит: ETO MAGNETIC GMBH

An electromagnetic actuating apparatus with two armature means which are designed to exert an actuating force on two tappet units which are extended in the longitudinal direction along a longitudinal movement axis and are guided such that they can be moved in a parallel manner in a common guide section of a housing which accommodates the armature means, wherein the tappet units each have an engagement end which is designed to interact with an actuating groove in a motor vehicle motor adjustment system and projects from the guide section at least in an engaged state, and the common guide section forms a guide end surface in which guide openings associated with the two tappet units, are open, wherein a connecting path which runs through center axes of the only two guide openings in the guide end surface forms an offset (v) from a surface center point of the guide end surface and/or from a surface center point of a housing end surface of the housing, wherein the surface center point lies on a perpendicular bisector of the connecting path.

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Номер записи: 12