Patents Examined by Diem M Tran
-
Patent number: 12291427Abstract: A rope replacement apparatus includes: a rope conveying mechanism, used for driving a first rope to move along a moving path of a second rope, so as to replace the second rope; a first detection part, used for detecting a first moving speed V1 of the first rope output by the rope conveying mechanism; the first detection part being installed on the rope conveying mechanism; a second detection part, used for detecting a second moving speed V2 of the second rope outside the rope conveying mechanism; the second detection part being installed on the moving path of the second rope; a control part, used for adjusting V1 according to the difference between V1 and V2; the first detection part and the second detection part being both in communication connection with the control part. The rope replacement apparatus improves rope replacement efficiency and slipping can be reduced.Type: GrantFiled: February 8, 2023Date of Patent: May 6, 2025Assignees: TAIYUAN UNIVERSITY OF TECHNOLOGY, TAIYUAN BOSHITONG MACHINERY, ELECTRICITY AND HYDRAULIC ENGINEERING CO., LTD.Inventors: Ziming Kou, Juan Wu, Yandong Wang, Aiming Cheng, Jiabao Xue, Zhigang Li, Jun Yang, Xinyu Shen
-
Patent number: 12291426Abstract: An elevator car arrangement for a double-deck elevator has a car frame; a first car coupled to the car frame; a second car arranged on the car frame above or below the first car and coupled to the car frame so as to be movable in a vertical direction relative to the car frame and relative to the first car; a push chain coupled, with a first end of a force absorption section of the push chain, to the first car or to the car frame, and with an opposite, second end of the force absorption section to the second car, and is arranged such that the second car exerts a pressure load on the force absorption section due to gravity; and a drive device coupled to the push chain to displace the second car in the vertical direction relative to the first car by the push chain.Type: GrantFiled: March 9, 2022Date of Patent: May 6, 2025Assignee: INVENTIO AGInventors: Stefan Weber, Andre Weibel
-
Patent number: 12291425Abstract: An apparatus (10) for connecting a drive assembly (4) to a bedplate (2) of an elevator system. The apparatus (10) includes a first support (14) for mounting a motor (6) of the drive assembly (4) to the bedplate (2). The apparatus (10) further includes a second support (16) for mounting a brake unit (8) of the drive assembly (4) to the bedplate (2). The first support (14) and the second support (16) are separate parts.Type: GrantFiled: November 30, 2023Date of Patent: May 6, 2025Assignee: OTIS ELEVATOR COMPANYInventors: Gianluca Foschini, Andres Monzon, Javier Garcia Casla, Santiago Gil
-
Patent number: 12291824Abstract: The concrete removal device and system which can be used for fast, efficient removal of concrete sidewalks, driveways, slabs and other concrete constructions. A concrete removal device and system includes an operator capable of drilling a concrete slab to set an anchor bolt and driving a forklift equipped with a concrete removal device to elevate a concrete slab to deposit it in a dump truck or dumpster for hauling away from the removal site.Type: GrantFiled: August 23, 2023Date of Patent: May 6, 2025Inventor: Noah Bourdage
-
Patent number: 12286329Abstract: A landing door of an elevator system includes a door leaf that is equipped with an integrated operating and/or display panel. In the event of a fire, a printed circuit board of the operating and/or display panel is removed from the door leaf by activation of an ejection device comprising intumescent material and being positioned in the door leaf.Type: GrantFiled: June 28, 2022Date of Patent: April 29, 2025Assignee: INVENTIO AGInventors: Christoph Liebetrau, Alessandro D'Apice
-
Patent number: 12280985Abstract: A drive system for an elevator installation includes a drive and a drive suspension for fastening the drive to a support element of the elevator installation. The drive suspension has a rotary joint for tiltably mounting the drive on the support element and an adjustment device for setting a tilt of the drive about the rotary joint.Type: GrantFiled: May 19, 2022Date of Patent: April 22, 2025Assignee: INVENTIO AGInventors: Romeo Lo Jacono, Alessandro D'Apice
-
Patent number: 12275618Abstract: A shaft door for an elevator has a door guard arrangement that includes a force sensor and a safety switch, wherein the force sensor comprises a contact unit and a spring mechanism with a spring. The force sensor senses a presence of an object clamped by the shaft door due to the shaft door closing wherein the contact element contacts the clamped object and transfers a force to the spring. The spring mechanism activates the safety switch to send a door-to-open command to a door operator of the elevator when the force transferred to the spring exceeds a stiffness of the spring.Type: GrantFiled: April 7, 2022Date of Patent: April 15, 2025Assignee: INVENTIO AGInventors: Bruno Castro Silva, Pietro Panegassi Picchiotti, Murilo Lopes Santos, Alberto Yoshiyuki Hosoda, Marco Antonio Scherk Junior, Gina Haruno Shida Matsumoto
-
Patent number: 12264039Abstract: A suspension arrangement 10 to absorb stress acting on an elevator cabin 20 during landing is provided. The suspension arrangement includes the elevator cabin to move bidirectionally through an external cylinder 30 to transport passengers between levels of a structure. The suspension arrangement includes a landing lever 40 to project towards the external cylinder when the elevator cabin reaches a floor level. The suspension arrangement includes a landing bar 50 to slide downwards over the pillar 60 corresponding to a motion of the landing lever upon establishing a contact with the landing lever projected towards the external cylinder. The suspension arrangement includes a guide pin 70 meshed with the landing bar and housed in a base ring 80 associated with the external cylinder. The guide pin is to compress a spring 90 encircling the guide pin corresponding to the motion of the landing bar.Type: GrantFiled: September 28, 2023Date of Patent: April 1, 2025Inventor: Ruphavathy Vishal
-
Patent number: 12264040Abstract: An integrated noise suppression apparatus for a pneumatic vacuum elevator is provided. The apparatus includes an equipment compartment which includes a first partition unit vertically surrounding one or more electric motors configured to suck air from elevator cylinders and release the air into atmosphere, a bottom plate comprising a channel, wherein an pneumatic flow control unit placed on top of the bottom plate configured to allow air from the atmosphere into the elevator cylinders, a second partition unit, a silencer unit which includes a first layer placed configured to initiate the circulation of air, a second layer having a first set of partition strips, a third layer having a second set of partition strips, a fourth layer, a fifth layer having a third set of partition strips. A plurality of layers is arranged one above the other to enable the air to pass between the atmosphere and the tubular cylinder.Type: GrantFiled: May 31, 2021Date of Patent: April 1, 2025Inventor: Killakathu Ramanathan Babu
-
Patent number: 12252377Abstract: A structure for a guide pillar system is disclosed. The structure includes a central hollow pillar section 20 which includes at least four sides including a first side 30, a second side 40, a third side 50, and a fourth side 60. The central hollow pillar section 20 also includes at least three grooved rib profiles 70 adapted to mechanically couple the central hollow pillar section 20 to elevator component(s). The at least three grooved rib profiles 70 are attached to an inner surface of the first side 30, the second side 40, and the third side 50. The structure also includes at least two curved sections 80 positioned at a first predefined portion of an outer surface of the first side 30 and the third side 50. The at least two curved sections 80 are adapted to provide structural integrity and radius edge(s) to the fourth side 60 of the central hollow pillar section 20.Type: GrantFiled: October 5, 2021Date of Patent: March 18, 2025Inventor: Killakathu Ramanathan Babu
-
Patent number: 12246956Abstract: A pallet truck includes a drive frame on which a drive wheel support is pivotably supported, a load frame, which is liftable with respect to the drive frame in a lifting direction, and a hydraulic lift module, which interconnects the drive frame and the load frame. The hydraulic lift module includes a hydraulic lift cylinder, which includes a cylinder barrel and a piston rod, wherein the cylinder barrel includes a cap end at one end portion of the cylinder barrel and a rod end at the other end portion of the cylinder barrel, wherein the piston rod extends outwards from the cylinder barrel at the rod end of the cylinder barrel and wherein a free end of the piston rod is accommodated in the drive frame. In the lifting direction, the cap end of the cylinder barrel is arranged above the rod end of the cylinder barrel.Type: GrantFiled: February 16, 2022Date of Patent: March 11, 2025Assignee: Crown Equipment CorporationInventors: Susanne Kuffner, Roland Müller, Bruce Xia, Andy Chen, Martin Ma, Andrew Pan, Terry Feng, Charlie Hu
-
Patent number: 12246949Abstract: A wind turbine tower elevator includes a first tower rail, a second tower rail, an elevator, a first jacking system, a second jacking system, a first locking system, and a second locking system. The elevator includes a main platform and jack housing. The first tower rail and the second tower rail are mounted parallel to a wind turbine tower and positioned offset to each other. The main platform is connected onto the jack housing and facilitates the transportation of blades and nacelle. The first jacking system, the second jacking system, the first locking system, and the second locking system are integrated into the jack housing. The jack housing is slidably mounted to the first tower rail by the first jacking system and the first locking system and the second tower rail by the second jacking system and the second locking system.Type: GrantFiled: September 9, 2024Date of Patent: March 11, 2025Inventor: Donald Hollis Gehring
-
Patent number: 12246943Abstract: An elevator car has car walls that form an interior for passengers. A handrail providing a rest surface for passengers is disposed in the interior on at least one of the car walls. The handrail rest surface has a height of at least 15 cm and is inclined, relative to the vertical, by an angle of inclination between 5° and 20°. The handrail can be L-shaped with two handrail portions, wherein one of the handrail portions is shorter than the other handrail portion.Type: GrantFiled: June 23, 2022Date of Patent: March 11, 2025Assignee: INVENTIO AGInventor: Elena Carrara
-
Patent number: 12246944Abstract: An elevator traction machine installation apparatus includes a lifting mechanism having a base portion and a load-bearing portion adapted to place an elevator traction machine, the base and load-bearing portions are connected and can rise and lower relative to each other in a longitudinal direction of an elevator hoistway; and a support mechanism configured to be detachably connected with the lifting mechanism and a base for installation of a machine-room-less elevator traction machine in the elevator hoistway to support the lifting mechanism and the elevator traction machine, and having at least two positions at which the base portion is secured, a first position is lower than a second position in the longitudinal direction, and the load-bearing portion is lifted relative to the base portion after the base portion is secured at the first position, and continues to be lifted relative to the base portion.Type: GrantFiled: November 10, 2023Date of Patent: March 11, 2025Assignee: OTIS ELEVATOR COMPANYInventors: Wenxiang Liu, Ming Chen, Chenfeng Shi, Jianfeng Wu
-
Patent number: 12240734Abstract: A guide rail for an elevator system has an elongate length with a cross-section perpendicular to the length; the cross-section including a base section for mounting to a wall of a hoistway, and a blade section extending from the base section; the blade section including a guide surface for interacting with a guide element of a component movable in the elevator hoistway; the guide rail including: a pair of separate rail piece parts fixed together to form the guide rail; the pair of separate rail piece parts including a first rail piece part and a second rail piece part; the first rail piece part being formed from a first thickness of sheet material bent to have a cross-section of a first predetermined shape, and the second rail piece part being formed from a second thickness of sheet material bent to have a cross-section of a second predetermined shape.Type: GrantFiled: November 30, 2023Date of Patent: March 4, 2025Assignee: OTIS ELEVATOR COMPANYInventors: Andrés Monzón, Javier García Casla, José-Manuel González-Rodil
-
Patent number: 12234123Abstract: An elevator door interlock device, an elevator door interlock operation method and an elevator system. The elevator door interlock device is arranged on an elevator car and has a first state in which to operate a landing door lock at a current arrival position of the elevator car to open or close a landing door, and a second state in which it makes no contact with the landing door lock, and the elevator door interlock device is configured to be in the first state when the elevator car travels in a vertical direction, and to be in the second state when the elevator car travels in a horizontal direction and to switch to the first state to open or close the landing door after the elevator car reaches a landing door position, and to return to the second state when the elevator car continues to travel in the horizontal direction.Type: GrantFiled: November 14, 2023Date of Patent: February 25, 2025Assignee: OTIS ELEVATOR COMPANYInventor: Xingang Gou
-
Patent number: 12234126Abstract: A connection device and a connection method for detection of a tension member for an elevator. The connection device includes a plurality of electrical connection terminals and is configured to be detachably connected to an end portion of a tension member for an elevator. The tension member is configured for suspending an elevator car and/or a counterweight and has a covering layer and a load-bearing portion including a plurality of separate load-bearing core wires and covered by the covering layer. The respective one ends of the plurality of electrical connection terminals are electrically connected correspondingly to the load-bearing core wires located at the end portion and exposed outwardly and respective other ends are used for outward electrical connection, after the connection device is connected to the end portion.Type: GrantFiled: November 16, 2023Date of Patent: February 25, 2025Assignee: OTIS ELEVATOR COMPANYInventor: Wei Wang
-
Patent number: 12221323Abstract: A structure for frame pieces of a pneumatic vacuum elevator is disclosed. The structure includes at least two horizontal arc pieces 30 and at least two vertical pieces 40 including a first arc end and a second arc end. Each of the first arc end and the second arc end include an angled cut profile. Each of the first arc end and the second arc end are adapted to receive a first coupling piece 100 at the angled cut profile. The first coupling piece 100 includes at least two holes 110. The at least two holes 110 are adapted to mechanically couple the at least two horizontal arc pieces 30 with the respective at least two vertical pieces 40 using a screw-fixing mechanism, upon receiving the respective at least two vertical pieces 40 at the angled cut profile. The at least two holes 110 are positioned at a first predefined position on the first coupling piece 100.Type: GrantFiled: October 5, 2021Date of Patent: February 11, 2025Inventor: Killakathu Ramanathan Babu
-
Patent number: 12172869Abstract: The invention relates to an elevator, comprising a hoistway with a plurality of hoistway sections attached to each other to provide a hoistway with a hoistway space, an elevator car arranged in the hoistway space to be vertically movable in the hoistway space between door openings at landings of a building, and doors at the door openings. In order to avoid problems caused by a mutual change of height of a hoistway and a building, a sensor provides to a control system a signal indicating a level difference between a first reference point of the hoistway and a second reference point of the building.Type: GrantFiled: August 4, 2023Date of Patent: December 24, 2024Assignee: Kone CorporationInventors: Aki Haikonen, Anssi Venho, Mika Ijas, Kai Prusti
-
Patent number: 12172866Abstract: The installation platform comprises two decks and a support frame comprising horizontal support beams supporting a respective deck and vertical support beams. The installation platform has a width in a first horizontal direction between the guide rails, a depth in a second horizontal direction perpendicular to the first horizontal direction. The installation platform is guided movably via guide means on the guide rails. At least one of the width and the depth of the installation is adjustable in order to adjust the horizontal dimensions of the installation platform according to the horizontal dimensions of the shaft.Type: GrantFiled: February 13, 2023Date of Patent: December 24, 2024Assignee: Kone CorporationInventors: Janne Laine, Matti Rasanen, Markku Haapaniemi, Aki Haikonen, Otto Lanz, Sakari Korvenranta, Anssi Venho, Jorma Mustalahti, Jaakko Kahila, Jari Ryhanen, Mika Ijas, Mikko Kukkola