Patents by Inventor Marcin CIS
Marcin CIS 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: 20230400042Abstract: An integral flapper and nozzle structure for a servo valve assembly whereby the flapper, orifices and nozzles are formed by sheets of metal formed into a single component.Type: ApplicationFiled: August 25, 2023Publication date: December 14, 2023Inventors: Michal BIELEN, Marcin CIS, Lukasz TEUERLE, Bartosz CHABKO
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Patent number: 11739769Abstract: An integral flapper and nozzle structure for a servo valve assembly whereby the flapper, orifices and nozzles are formed by sheets of metal formed into a single component.Type: GrantFiled: December 7, 2021Date of Patent: August 29, 2023Assignee: HAMILTON SUNDSTRAND CORPORATIONInventors: Michal Bielen, Marcin Cis, Lukasz Teuerle, Bartosz Chabko
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Patent number: 11603190Abstract: A brake actuator for an aircraft braking system, comprising a housing, a sleeve, an annular member mounted to the housing extending radially inwardly for engagement with the ratchet teeth of the sleeve, a piston slidable along an axis (X), a piston head disposed at a first end of the pin portion, a cap disposed at a second end of the pin portion for operative engagement with a brake element of the housing, and a second position in which the piston head is drivingly disengaged from the sleeve.Type: GrantFiled: July 15, 2020Date of Patent: March 14, 2023Assignee: Goodrich CorporationInventors: Marcin Cis, Patryk Szczesny
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Patent number: 11525483Abstract: A coupling for allowing torque transmission between a first and second shaft, the coupling comprising: a cup-shaped portion provided at a first end of said first shaft and a first end of said second shaft being positioned within said cup-shaped portion; and said coupling further comprising a biasing means positioned between said first and second shafts, such that said biasing means is in contact with both of said first and second shafts. A shaft system can include the first coupling in combination with a third shaft and a second coupling that is provided between the third shaft and either a second end of said first shaft or a second end of said second shaft. The second coupling is identical to the first coupling.Type: GrantFiled: December 12, 2018Date of Patent: December 13, 2022Assignee: HAMILTON SUNDSTRAND CORPORATIONInventors: Dariusz Kielbowicz, Marcin Cis
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Patent number: 11454335Abstract: The present disclosure provides a heat exchanger system for a servovalve, comprising a base comprising a supply port in fluid communication with a return port, a first passage for fluid connection to a source of cooling fluid, and a second passage in fluid communication with the return port. The system further comprises one or more pipes located over a surface of the base, the one or more pipes fluidly connected between the first passage and the second passage, such that in use cooling fluid may flow from the first passage to the second passage via the network of pipes.Type: GrantFiled: February 26, 2021Date of Patent: September 27, 2022Assignee: HAMILTON SUNDSTRAND CORPORATIONInventors: Marcin Cis, Piotr Sawicki
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Patent number: 11448263Abstract: a coupling assembly includes a first portion and a second portion which are configured to couple to one another such that the second portion is capable of rotationally driving the first portion about an axis of rotation. The first portion is provided with a first magnet and the second portion is provided with a second magnet. The first and second magnets are arranged to repel each other such that the first and second portions are biased away from each other in an axial direction that is parallel to the axis of rotation.Type: GrantFiled: July 15, 2019Date of Patent: September 20, 2022Assignee: HAMILTON SUNDSTRAND CORPORATIONInventors: Dariusz Kielbowicz, Marcin Cis
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Publication number: 20220196040Abstract: An integral flapper and nozzle structure for a servo valve assembly whereby the flapper, orifices and nozzles are formed by sheets of metal formed into a single component.Type: ApplicationFiled: December 7, 2021Publication date: June 23, 2022Inventors: Michal BIELEN, Marcin CIS, Lukasz TEUERLE, Bartosz CHABKO
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Patent number: 11209026Abstract: A nozzle of or for a servo valve comprises a nozzle element having a fluid outlet at a first axial end and a tubular body extending from the first end to an opposed, second axial end. The nozzle further comprises a plug element mounted in and closing the second axial end of the tubular body, thereby defining an internal cavity within the tubular body. One or more openings are formed through the tubular body to fluidly communicate with the internal cavity. A filter may be mounted across the internal cavity at a position axially intermediate the openings and the fluid outlet.Type: GrantFiled: December 3, 2019Date of Patent: December 28, 2021Assignee: HAMILTON SUNDSTRAND CORPORATIONInventors: Piotr Sawicki, Marcin Cis
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Publication number: 20210331099Abstract: A filter having a hollow body extending longitudinally between a first end and a second end and comprising a plurality of holes formed through said body, and a first compliant section formed in said body, said compliant section comprising a plurality of slits which extend through said body and in a circumferential direction around said filter. A nozzle/filter assembly is also described as well as a method for making the same.Type: ApplicationFiled: April 23, 2021Publication date: October 28, 2021Inventors: Marcin CIS, Patryk SZCZESNY
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Patent number: 11108313Abstract: There is provided a method of assembling a torque motor. The method comprises fastening the torque motor to a support such that any magnetic elements of the torque motor are substantially fixed in position with respect to the support, but without securing an armature to the torque motor, locating the armature of the torque motor around a fixed element of the torque motor such that the armature is able to move with respect to the fixed element, moving the armature with respect to the fixed element whilst the magnetic elements of the torque motor are substantially fixed in position with respect to the support, so as to position the armature in an in use orientation or position, and then attaching the armature to the fixed element in the in use orientation or position.Type: GrantFiled: June 7, 2019Date of Patent: August 31, 2021Assignee: HAMILTON SUNDSTRAND CORPORATIONInventors: Marcin Cis, Michał Bieleń
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Patent number: 11060631Abstract: A servovalve includes: a fluid transfer valve assembly comprising a supply port and a control port; a moveable valve spool arranged to regulate flow of fluid from the supply port to the control port in response to a control signal; and a jet pipe assembly configured to axially move the valve spool relative to the fluid transfer assembly in response to the control signal to regulate the fluid flow. The spool includes a tubular body defining a path for fluid flow, the tubular body closed at each end by a respective end cap having openings via which, in use, fluid enters the interior of the spool. The end caps extend within the tubular body at least to an extent that they overlap the openings, and wherein the end caps are provided with filter means for filtering the fluid from the openings as it enters the spool.Type: GrantFiled: May 21, 2018Date of Patent: July 13, 2021Assignee: HAMILTON SUNSTRAND CORPORATIONInventors: Marcin Cis, Sebastian Zuraw
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Publication number: 20210180722Abstract: The present disclosure provides a heat exchanger system for a servovalve, comprising a base comprising a supply port in fluid communication with a return port, a first passage for fluid connection to a source of cooling fluid, and a second passage in fluid communication with the return port. The system further comprises one or more pipes located over a surface of the base, the one or more pipes fluidly connected between the first passage and the second passage, such that in use cooling fluid may flow from the first passage to the second passage via the network of pipes.Type: ApplicationFiled: February 26, 2021Publication date: June 17, 2021Inventors: Marcin CIS, Piotr SAWICKI
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Patent number: 11035390Abstract: The disclosure provides a method of securing a feedback spring relative to a spool of a servovalve, the method comprising inserting the feedback spring at least partially into an internal cavity of the spool, inserting two fixing members into the internal cavity such that they each oppose a portion of the feedback spring, bringing the fixing members into respective set positions, such that the fixing members clamp the feedback spring and prevent relative movement between the feedback spring and the spool, and securing the fixing members in their respective set positions, such that the fixing members remain in their clamping positions and prevent relative movement between the feedback spring and the spool.Type: GrantFiled: July 11, 2019Date of Patent: June 15, 2021Assignee: HAMILTON SUNSTRAND CORPORATIONInventors: Marcin Cis, Piotr Sawicki
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Patent number: 11018568Abstract: A torque motor for a servovalve is provided, the torque motor comprising an armature and a first pole piece. The first pole piece has a first portion and a second portion that is selectively moveable relative to the first portion such that a size of an air gap formed between the second portion and the armature is adjusted in response to the movement of the second portion relative to the first portion.Type: GrantFiled: December 4, 2018Date of Patent: May 25, 2021Assignee: HAMILTON SUNSTRAND CORPORATIONInventors: Piotr Sawicki, Marcin Cis
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Patent number: 10962143Abstract: The present disclosure provides a heat exchanger system for a servovalve, comprising a base comprising a supply port in fluid communication with a return port, a first passage for fluid connection to a source of cooling fluid, and a second passage in fluid communication with the return port. The system further comprises one or more pipes located over a surface of the base, the one or more pipes fluidly connected between the first passage and the second passage, such that in use cooling fluid may flow from the first passage to the second passage via the network of pipes.Type: GrantFiled: June 6, 2019Date of Patent: March 30, 2021Assignee: HAMILTON SUNSTRAND CORPORATIONInventors: Marcin Cis, Piotr Sawicki
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Patent number: 10955020Abstract: A new method of forming a torsion spring for use in a servovalve is described. The method comprises individually forming the different components of the torsion spring and then connecting the individual components together using a brazing process. The torsion spring created by this method is also described.Type: GrantFiled: July 10, 2018Date of Patent: March 23, 2021Assignee: HAMILTON SUNSTRAND CORPORATIONInventors: Marcin Cis, Piotr Sawicki
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Patent number: 10937585Abstract: An electromagnetic device is disclosed, the electromagnetic device comprising a core support having an exterior surface comprising at least one radial protrusion, a tubular magnetic core positioned around a portion of the length of the core support, the tubular magnetic core having an interior surface, at least one indent located in the interior surface of the tubular magnetic core, wherein the at least one protrusion is located within the at least one indent to prevent relative longitudinal movement between the core support and tubular magnetic core, and a primary coil and at least one secondary coil, each coil positioned around a portion of a length of the tubular magnetic core.Type: GrantFiled: December 18, 2018Date of Patent: March 2, 2021Assignee: HAMILTON SUNSTRAND CORPORATIONInventors: Marcin Cis, Patryk Szczesny
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Patent number: 10927859Abstract: A system is described for positioning and locking in place a nozzle within a cylindrical bore of a body, and a method for positioning and locking in place a nozzle within a cylindrical bore of a body is also described. The system has a nozzle having a tubular shape extending between a first end and a second end with an outer cylindrical surface and an inner surface, said inner surface comprising a thread. The system also has a locking member provided within said nozzle and comprising an outer circumferential surface having a thread that corresponds to the thread of the inner surface of the nozzle. The system also has means for providing torque to said locking member to screw said locking member into and within said nozzle via said threaded surfaces to thereby create a press-fit between said outer cylindrical surface and an inner surface of said cylindrical bore.Type: GrantFiled: July 12, 2017Date of Patent: February 23, 2021Assignee: HAMILTON SUNSTRAND CORPORATIONInventors: Piotr Sawicki, Marcin Cis
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Publication number: 20210047027Abstract: A brake actuator for an aircraft braking system, comprising a housing, a sleeve, an annular member mounted to the housing extending radially inwardly for engagement with the ratchet teeth of the sleeve, a piston slidable along an axis (X), a piston head disposed at a first end of the pin portion, a cap disposed at a second end of the pin portion for operative engagement with a brake element of the housing, and a second position in which the piston head is drivingly disengaged from the sleeve.Type: ApplicationFiled: July 15, 2020Publication date: February 18, 2021Applicant: Goodrich CorporationInventors: Marcin Cis, Patryk Szczesny
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Patent number: 10900587Abstract: A valve assembly includes a valve housing having a bore formed therein. The bore has an axis A and comprises a circumferentially extending groove formed at an end portion. An axially outer wall of the groove includes at least two circumferentially spaced radially inwardly extending retaining elements defining an axial slot therebetween. An end cap is received in the end portion of the bore and closes the end of the bore. The end cap includes a retaining portion that includes at least one radially outwardly extending retaining element which is shaped to be insertable through the axial slot into the groove and rotatable therein to a retaining position in which the radially outwardly extending retaining element aligns with one of the radially inwardly extending retaining elements to prevent axial withdrawal of the end cap from the bore.Type: GrantFiled: January 30, 2019Date of Patent: January 26, 2021Assignee: HAMILTON SUNSTRAND CORPORATIONInventors: Marcin Cis, Piotr Sawicki