Patents by Inventor Marek JEDLINSKI
Marek JEDLINSKI has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240033666Abstract: A filter assembly includes a manifold having a fluid inlet and a fluid outlet, a filter housing having a filter medium provided therein. The filter medium defines an inner filter chamber and defining an outer filter chamber between the filter medium and the filter housing, the filter housing being removably attached to the manifold so as to provide a fluid flow path from the inlet into the inner filter chamber, through the filter medium into the outer chamber and out of the outlet. The filter assembly also has a valve assembly mounted inside the manifold. The valve assembly also includes a shut off valve piston and a shut off valve spring arranged in engagement with the valve piston to bias the valve piston into a first position and an adaptor ring located between the shut off valve piston and the filter housing and provided with an annular outlet seal.Type: ApplicationFiled: July 13, 2023Publication date: February 1, 2024Inventors: Marek JEDLINSKI, Maciej BUJEWICZ
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Patent number: 11732658Abstract: A filter assembly includes a manifold having a fluid inlet and a fluid outlet, a filter housing having a filter medium provided therein, the filter medium defining an inner filter chamber and defining an outer filter chamber between the filter medium and the filter housing, the filter housing being removably attached to the manifold. The filter assembly includes a valve assembly mounted inside the manifold, and a by-pass channel defined inside the manifold between the fluid inlet and the fluid outlet. The valve assembly includes a valve body, a by-pass valve system, and a shut off valve system. The by-pass valve system includes a by-pass valve piston having a piston body, and a by-pass valve spring arranged to move the by-pass valve piston. The shut off valve system includes a shut off valve piston, and a shut off valve spring arranged to move the shut off valve piston.Type: GrantFiled: April 6, 2022Date of Patent: August 22, 2023Assignee: Hamilton Sundstrand CorporationInventors: Michal Bielen, Marek Jedlinski
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Patent number: 11717776Abstract: A fuel filter includes a manifold, a connector element, a filter bowl, a filter element, an inlet shutoff valve, an outlet shutoff valve, an inlet port, an inlet passage, an outlet port, an outlet passage and a relief valve in which the connector element is fixed to the manifold, and the filter bowl is reversibly fixed to the connector element, the connector element and the manifold define a chamber and the chamber is split into a second inlet chamber and a second outlet chamber by the relief valve. The filter bowl is adapted to reversibly receive the filter element and is so configured that when the filter element is located within the filter bowl and the filter bowl attached to the connection element, the filter element divides the space defined by the connector element and filter bowl into an inlet filter chamber and an outlet filter chamber.Type: GrantFiled: March 24, 2021Date of Patent: August 8, 2023Assignee: HAMILTON SUNDSTRAND CORPORATIONInventors: Marek Jedlinski, Marcin Korczynski
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Patent number: 11692519Abstract: A fuel filter includes a manifold, a connector element, a filter bowl, a filter element, a shutoff valve, an inlet port, an inlet passage, an outlet port, an outlet passage and a relief valve in which the connector element is fixed to the manifold, and the filter bowl is reversibly fixed to the connector element, the filter bowl is adapted to reversibly receive the filter element and is so configured that when the filter element is located within the filter bowl and the filter bowl attached to the connection element the filter element divides the space defined by the connector element and filter bowl into an inlet filter chamber and an outlet filter chamber, the inlet port is incorporated in the manifold, and the inlet port and inlet filter chamber are in fluid communication via the inlet passage, the outlet port is incorporated in the manifold.Type: GrantFiled: April 26, 2021Date of Patent: July 4, 2023Assignee: HAMILTON SUNDSTRAND CORPORATIONInventors: Marek Jedlinski, Marcin Korczynski
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Publication number: 20230098200Abstract: A filter assembly a manifold having a fluid inlet and a fluid outlet and a filter housing having a filter medium provided therein. The filter medium defining an inner filter chamber and defining an outer filter chamber between the filter medium and the filter housing, the filter housing being removably attached to the manifold so as to provide a fluid flow path from the inlet into the inner filter chamber.Type: ApplicationFiled: September 23, 2022Publication date: March 30, 2023Inventors: Marek JEDLIÑSKI, Lukasz PABIROWSKI, Michal MACHALEK, Zuzanna JAMROZ, Konrad PAWLAK, Wojciech JANIGA, Tomasz SKÓRKA-SIEMIEÑSKI
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Publication number: 20230101135Abstract: A filter assembly includes a manifold having a fluid inlet and a fluid outlet, a filter housing having a filter medium provided therein, the filter medium defining an inner filter chamber and defining an outer filter chamber between the filter medium and the filter housing, the filter housing being removably attached to the manifold so as to provide a fluid flow path from the inlet into the inner filter chamber, through the filter medium into the outer chamber and out of the outlet. The filter assembly further includes a valve assembly mounted inside the manifold that includes a valve piston and a valve spring arranged in engagement with the valve piston to bias the valve piston into a first position and to compress, in response to a pressure differential across the valve piston exceeding the spring force, to move the valve piston to a second position.Type: ApplicationFiled: September 22, 2022Publication date: March 30, 2023Inventors: Marek JEDLIÑSKI, Mikolaj NIEWODNICZANSKI, Lukasz PABIROWSKI
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Publication number: 20220401860Abstract: A retention mechanism for releasably securing a receptacle to another component includes a ratchet lever pivotally mounted about a screw, a torsion spring having a first end attached to a first end of the lever and being biased to pivot the lever about the screw axis to a first, locked position. A second end of the lever engages, in use, with teeth provided on the receptacle to secure the receptacle against rotation relative to the other component. The mechanism has a compression spring arranged to bias the lever in an axial position such that, in the first, locked position, the second end of the lever engages the teeth. The first end of the lever is configured to receive pressure from a user against the force of the torsion spring to pivot the lever about the axis such that the second end of the lever disengages from the teeth.Type: ApplicationFiled: May 16, 2022Publication date: December 22, 2022Inventors: Marek JEDLINSKI, Lukasz PABIROWSKI
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Publication number: 20220370936Abstract: A filter assembly includes a manifold having a fluid inlet and a fluid outlet and a filter housing having a filter medium provided therein. The filter medium defines an inner filter chamber and defining an outer filter chamber between the filter medium and the filter housing. The filter housing is removably attached to the manifold so as to provide a fluid flow path from the inlet into the inner filter chamber, through the filter medium into the outer chamber and out of the outlet. The filter assembly also includes a valve assembly mounted inside the manifold, and a by-pass channel defined inside the manifold between the fluid inlet and the fluid outlet. The valve assembly comprises a valve spool and a valve spring arranged in engagement with the spool to bias the spool into a first position and to compress, in response to a pressure differential across the valve spool.Type: ApplicationFiled: May 6, 2022Publication date: November 24, 2022Inventors: Marek JEDLINSKI, Damian SLODCZYK
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Publication number: 20220316409Abstract: A filter assembly includes a manifold having a fluid inlet and a fluid outlet, a filter housing having a filter medium provided therein, the filter medium defining an inner filter chamber and defining an outer filter chamber between the filter medium and the filter housing, the filter housing being removably attached to the manifold. The filter assembly includes a valve assembly mounted inside the manifold, and a by-pass channel defined inside the manifold between the fluid inlet and the fluid outlet. The valve assembly includes a valve body, a by-pass valve system, and a shut off valve system. The by-pass valve system includes a by-pass valve piston having a piston body, and a by-pass valve spring arranged to move the by-pass valve piston. The shut off valve system includes a shut off valve piston, and a shut off valve spring arranged to move the shut off valve piston.Type: ApplicationFiled: April 6, 2022Publication date: October 6, 2022Applicant: Hamilton Sundstrand CorporationInventors: Michal Bielen, Marek Jedlinski
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Publication number: 20220193581Abstract: A fuel filter includes a manifold, a connector element, a filter bowl, a filter element, an inlet shutoff valve, an outlet shutoff valve, an inlet port, an inlet conduit, an outlet port, an outlet conduit and a relief valve. The connector element is fixed to the manifold and the filter bowl is reversibly fixed to the connector element. The connector element engages with the filter element. The filter bowl reversibly receives the filter element and is configured so that when the filter element is located within the filter bowl and the filter bowl is attached to the connection element the filter element divides the space defined by the connector element and filter bowl into an inlet filter chamber and an outlet filter chamber. The inlet port is incorporated in the manifold, and the inlet port and inlet filter chamber are in fluid communication via the inlet conduit.Type: ApplicationFiled: December 17, 2021Publication date: June 23, 2022Inventors: Marek JEDLINSKI, Maciej BUJEWICZ
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Patent number: 11226056Abstract: There is provided an apparatus comprising a torque motor comprising a spring, armature, flapper assembly (“SAFA”), a body, wherein the spring, armature, flapper assembly is mounted onto the body, and a cap enclosing the spring, armature, flapper assembly. One or more cooling passages are provided within the body and are configured to receive cooling air and direct the cooling air onto the spring, armature, flapper assembly of the torque motor.Type: GrantFiled: April 11, 2019Date of Patent: January 18, 2022Assignee: HAMILTON SUNDSTRAND CORPORATIONInventors: Maciej Zak, Marek Jedlinski
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Publication number: 20210332779Abstract: A fuel filter includes a manifold, a connector element, a filter bowl, a filter element, a shutoff valve, an inlet port, an inlet passage, an outlet port, an outlet passage and a relief valve in which the connector element is fixed to the manifold, and the filter bowl is reversibly fixed to the connector element, the filter bowl is adapted to reversibly receive the filter element and is so configured that when the filter element is located within the filter bowl and the filter bowl attached to the connection element the filter element divides the space defined by the connector element and filter bowl into an inlet filter chamber and an outlet filter chamber, the inlet port is incorporated in the manifold, and the inlet port and inlet filter chamber are in fluid communication via the inlet passage, the outlet port is incorporated in the manifold.Type: ApplicationFiled: April 26, 2021Publication date: October 28, 2021Inventors: Marek JEDLINSKI, Marcin KORCZYNSKI
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Publication number: 20210299597Abstract: A fuel filter is provided which comprises a manifold, a connector element, a filter bowl, a filter element, an inlet shutoff valve, an outlet shutoff valve, an inlet port, an inlet passage, an outlet port, an outlet passage and a relief valve in which the connector element is fixed to the manifold, and the filter bowl is reversibly fixed to the connector element. The filter bowl is adapted to reversibly receive the filter element and is so configured that when the filter element is located within the filter bowl and the filter bowl attached to the connection element the filter element divides the space defined by the connector element and filter bowl into an inlet filter chamber and an outlet filter chamber. The inlet port mouths through a surface of the manifold, and the inlet port and inlet filter chamber are in fluid communication via the inlet passage.Type: ApplicationFiled: March 24, 2021Publication date: September 30, 2021Inventors: Marek JEDLINSKI, Marcin KORCZYNSKI
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Publication number: 20210299598Abstract: A fuel filter is provided which includes a manifold, a connector element, a filter bowl, a filter element, an inlet shutoff valve, an outlet shutoff valve, an inlet port, an inlet passage, an outlet port, an outlet passage and a relief valve in which the connector element is fixed to the manifold, and the filter bowl is reversibly fixed to the connector element. The filter bowl is adapted to reversibly receive the filter element and is so configured that when the filter element is located within the filter bowl and the filter bowl attached to the connection element, the filter element divides the space defined by the connector element and filter bowl into an inlet filter chamber and an outlet filter chamber and the inlet port is incorporated in the manifold, and the inlet port and inlet filter chamber are in fluid communication via the inlet passage.Type: ApplicationFiled: March 24, 2021Publication date: September 30, 2021Inventors: Marek JEDLINSKI, Marcin KORCZYNSKI
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Publication number: 20210299599Abstract: A fuel filter includes a manifold, a connector element, a filter bowl, a filter element, an inlet shutoff valve, an outlet shutoff valve, an inlet port, an inlet passage, an outlet port, an outlet passage and a relief valve in which the connector element is fixed to the manifold, and the filter bowl is reversibly fixed to the connector element, the connector element and the manifold define a chamber and the chamber is split into a second inlet chamber and a second outlet chamber by the relief valve. The filter bowl is adapted to reversibly receive the filter element and is so configured that when the filter element is located within the filter bowl and the filter bowl attached to the connection element, the filter element divides the space defined by the connector element and filter bowl into an inlet filter chamber and an outlet filter chamber.Type: ApplicationFiled: March 24, 2021Publication date: September 30, 2021Inventors: Marek JEDLINSKI, Marcin KORCZYNSKI
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Publication number: 20210190097Abstract: A plug for retaining a filter screen in a fluid port of a servovalve, comprises an annular body, the annular body comprising: opposed first and second axial end surfaces, a radially inner surface extending between the first and second axial end surfaces, a radially outer surface extending between the first and second axial end surfaces and at least one recess formed in the radially inner surface for receiving a tool for removing the plug from the port. A tool for removing the plug comprises a pair of handles pivotally mounted to one another about a pivot, each handle having a plug gripping portion extending therefrom beyond the pivot, each plug gripping portion comprising an outwardly projecting tooth for engaging in the recess of the plug when the plug gripping portions are moved apart by operation of the handles.Type: ApplicationFiled: March 9, 2021Publication date: June 24, 2021Inventors: Maciej BUJEWICZ, Marek JEDLINSKI
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Publication number: 20200166144Abstract: A plug for retaining a filter screen in a fluid port of a servovalve, the plug comprises an annular body. The annular body comprises opposed first and second axial annular end surfaces. A radially inner surface extends between the first and second axial annular end surfaces and a radially outer surface extends between the first and second axial annular end surfaces. At least one recess is formed in the radially inner surface for receiving a tool for removing the plug from the port. A plurality of slots is formed in the first axial annular end surface and extends into the at least one recess for providing access for the tool to the at least one recess.Type: ApplicationFiled: November 22, 2019Publication date: May 28, 2020Inventors: Maciej BUJEWICZ, Marek JEDLINSKI
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Publication number: 20190390783Abstract: A nozzle housing for a servo valve includes a circumferential wall defining a return passage extending along a longitudinal axis (A) for holding a return nozzle, the return passage having an opening for fluid communication with a spool valve and a return port for fluid communication with atmosphere, a first plate extending across the return passage, the first plate engaged with the circumferential wall and disposed between the opening and the return port, and a second plate extending across the return passage. The second plate engages with the circumferential wall and disposed between the first plate and the return port, the first plate has at least one first aperture, and the second plate has at least one second aperture that is misaligned with the at least one first aperture such that there is no linear axial flow path between the return port and the opening.Type: ApplicationFiled: June 7, 2019Publication date: December 26, 2019Inventors: Marek Jedlinski, Maciej Zak
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Publication number: 20190331256Abstract: There is provided an apparatus comprising a torque motor comprising a spring, armature, flapper assembly (“SAFA”), a body, wherein the spring, armature, flapper assembly is mounted onto the body, and a cap enclosing the spring, armature, flapper assembly. One or more cooling passages are provided within the body and are configured to receive cooling air and direct the cooling air onto the spring, armature, flapper assembly of the torque motor.Type: ApplicationFiled: April 11, 2019Publication date: October 31, 2019Inventors: Maciej ZAK, Marek JEDLINSKI
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Publication number: 20190309770Abstract: A plug for retaining a filter screen in a fluid port of a servovalve, comprises an annular body, the annular body comprising: opposed first and second axial end surfaces, a radially inner surface extending between the first and second axial end surfaces, a radially outer surface extending between the first and second axial end surfaces and at least one recess formed in the radially inner surface for receiving a tool for removing the plug from the port. A tool for removing the plug comprises a pair of handles pivotally mounted to one another about a pivot, each handle having a plug gripping portion extending therefrom beyond the pivot, each plug gripping portion comprising an outwardly projecting tooth for engaging in the recess of the plug when the plug gripping portions are moved apart by operation of the handles.Type: ApplicationFiled: April 10, 2019Publication date: October 10, 2019Inventors: Maciej BUJEWICZ, Marek JEDLINSKI