Abstract: A method of lubricating a fluid production pump may include mixing a polarized lubricant with water to produce a diluted lubricant. The method may additionally include creating a flowpath within the fluid production pump. An initial volume of the diluted lubricant may be circulated within the flowpath to allow the diluted lubricant to react with components of the fluid production pump and form a protective barrier on the components of the fluid production pump. The method may further comprise repeatedly introducing a periodic volume of diluted lubricant into the fluid production pump according to a predefined lubrication schedule.

Abstract: A thermal management system for an electric drive module (EDM) in an electric vehicle is provided. The system includes a motor housing, a gearbox housing, a sump and a baffle. The motor housing has an electric motor. The gearbox housing houses gears that receive an input from the electric motor and transfer the drive torque to the driveline. The sump collectively comprises a first sump and a second sump. The first sump is defined by first walls of the motor housing. The second sump is defined by second walls of the gearbox housing. The baffle is disposed in the sump. Rotation of a transfer gear causes oil disposed in the second sump to be urged from the second sump, along the baffle and to the first sump effectively reducing an oil level in the gearbox housing and thereby reducing drag losses in the gearbox housing.

Abstract: An elevator car includes an elevator car floor, a plurality of side walls, and a ceiling defining an interior of the elevator car. A ceiling panel access system includes a drum sheave arranged within one of the side walls, at least one locking pin arranged on a top of the elevator car and configured to releasably engage with a ceiling access panel to lock the ceiling access panel in a locked state and disengage therefrom to cause the ceiling access panel to open into the interior of the elevator car, and at least one cable operably connecting the drum sheave to the at least one locking pin, wherein rotation of the drum sheave causes the at least one cable to wind about the drum sheave and cause retraction of the at least one locking pin from engagement with the ceiling access panel.

Abstract: The invention relates to a greasing device for a contact wire which can be clamped into a conductor rail for the electrical energy supply of a pantograph of a rail vehicle, comprising: a basic body extending in a longitudinal direction, a transverse direction perpendicular to the longitudinal direction and a vertical direction perpendicular to the longitudinal direction and perpendicular to the transverse direction, a passage opening penetrating the basic body from a front side, seen in the longitudinal direction, to a rear side, seen in the longitudinal direction, through which the contact wire can be pushed in the longitudinal direction, and a supply line leading into the passage opening for introducing a grease which can be applied to the contact wire, wherein the passage opening as seen in the longitudinal direction after the supply line.

Abstract: A lubrication system includes a progressive distributor that is configured to dispense lubricant to a consumer. The lubrication system also includes a control device and at least one sensor that is configured to determine at least one lubricant pressure inside the lubrication system. The control device is configured to receive measured values from the at least one sensor and to recognize a lubrication cycle based on the measured values and also to determine an average pressure of the lubrication cycle, to perform a comparison of the average pressure and at least one normal pressure of the lubrication system, and to determine a state of the lubrication system based on a result of the comparison.

Abstract: An apron device, an elevator car and method of protecting falling into an elevator shaft. The apron device comprises a first protective element and a second protective element which are both located under a door sill of an elevator car. The elements form together a bending stiff sleeve structure which can move in relation to the elevator car. The first protective element can lift the second protective element being closer to the elevator car. When the second protective element is lifted, its upper part moves in transversal direction towards a space below a bottom of the elevator car. The first protective element is moved only in vertical direction.

Abstract: The invention relates to a method of constructing an elevator comprising providing an elevator car in a hoistway, said elevator car comprising a cabin frame, and a temporary pulley beam detachably mounted on the cabin frame; mounting a hoisting machine in a first position which first position is at a first vertical level in the hoistway; suspending (first suspending) the elevator car with a hoisting roping from the hoisting machine via said temporary pulley beam; moving the elevator car in the hoistway with the hoisting machine while it is in said first position and suspended by the roping via said temporary pulley beam; mounting a hoisting machine in a second position which second position is at a second higher vertical level inside a machine room located above the hoistway; removing the temporary pulley beam from the elevator car, comprising detaching the temporary pulley beam from the cabin frame; suspending the car with a hoisting roping from the hoisting machine mounted in said second position via said c

Abstract: Systems and method for controlling lubrication are provided are provided. In one embodiment, a method includes receiving a temperature of a lubricant in a vehicle measured using at least one temperature sensor disposed on the vehicle, and receiving a pressure of the lubricant in the vehicle measured using at least one pressure sensor disposed on the vehicle. The method also includes determining a viscosity of the lubricant using the temperature, the pressure, and a pressure-temperature-viscosity (PTV) correlation, and based on the viscosity of the lubricant, controlling lubrication in the vehicle.

Abstract: An oil distributor for an axle drive of a motor vehicle, having a first trough element with a first wall, a second trough element which is placed onto the first trough element and has a second wall, wherein the first trough element and/or the second trough element has an oil capture opening; wherein in an assembled state, the first trough element is fluidically connected to the second trough element, and the first trough element and the second trough element form a U-shaped outer contour at least in portions such that the first trough element and the second trough element may surround portions of a gear wheel of a gear mechanism; and an oil outlet opening formed in the first trough element and/or the second trough element, via which an oil may emerge from the oil distributor.

Abstract: An oil supply system for a machine, such as for a power unit of a motor vehicle, with a module body made of plastic including a collection tank which is divided into a prechamber and a main chamber. A predelivery pump can extract oil from the prechamber and pump it into the main chamber, a main delivery pump can extract oil from the main chamber and pump it to the machine, and a return line can return oil from the machine to the prechamber and/or the main chamber. A power unit for a motor vehicle can include such an oil supply system, wherein a predelivery suction opening is arranged on the floor of the prechamber and a main delivery suction opening is arranged on the floor of the main chamber, and the power unit is configured to be mounted in the motor vehicle with an orientation such that a line running through the two suction openings is arranged approximately parallel to the transverse axis of the vehicle.

Abstract: A gas turbine engine includes a gearbox assembly that includes a gearbox and a gutter for collecting a gearbox lubricant scavenge flow from the gearbox. The gutter is characterized by a lubricant extraction volume ratio between 0.01 and 0.3, inclusive of the endpoints. The lubricant extraction volume ratio defined by: V G V G ? B · V G is a gutter volume of the gutter and VGB is a gearbox volume. The gas turbine engine includes a lubricant flow control system that includes a variable flow lubricant pump that generates a pump variable flow of lubricant to the gearbox assembly. The gearbox assembly has a variable consumption demand for delivery of lubricant. A lubricant flow controller is configured to generate a pump control command for the variable flow lubricant pump to produce the pump variable flow of lubricant based on the variable consumption demand.

Abstract: An elevator tractive drive system including a plurality of wheels coupled to an elevator cab. The plurality of wheels are configured to compress into one or more shaft-mounted rails and/or one or more interior shaft wall surfaces. The plurality of wheels are powered by one or more motors coupled to a transmission configured to deliver regulated torque to the plurality of wheels. The system includes various sensors to measure parameters related to kinematics of the cab and/or the plurality of wheels, parameters related to a mass or a weight of the elevator cab and any pay load and/or parameters related to compressive forces generated at a wheel-rail or wheel-shaft interface. A controller is configured to receive input from each of the sensors and activate the at least one actuator and/or motors, to generate or adjust regulated compressive force and associated tractive force delivered at the wheel-rail interface and/or the wheel-shaft interface.

Abstract: A gearbox assembly includes a gearbox having a gear assembly and a gutter for collecting a gearbox lubricant scavenge flow from the gearbox. The gutter is characterized by a lubricant extraction volume ratio between 0.01 and 0.3, inclusive of the endpoints. The lubricant extraction volume ratio is defined by V G V G ? B . V G is a gutter volume of the gutter and VGB is a gearbox volume. A gas turbine engine includes the gearbox assembly and a lubrication system. The lubrication system includes a sump that is a primary reservoir having a first lubricant level and a secondary reservoir in the gearbox assembly. The secondary reservoir has a second lubricant level. The lubrication system fills the secondary reservoir with a lubricant between the first lubricant level and the second lubricant level. The gear assembly collects the lubricant in the secondary reservoir to supply the lubricant to the gear assembly.

Abstract: The present document relates to a mechanical assembly, comprising: a first roller bearing including an inner race, an outer race and a plurality of rolling elements, wherein an axis of rotation of the first roller bearing defines a first axial direction oriented horizontally or inclined with respect to the vertical direction, a source of lubricant configured to deliver lubricant to the first roller bearing, and at least one movable element disposed adjacent to the first roller bearing on a first side of the first roller bearing in the first axial direction, wherein the rolling elements of the first roller bearing are tapered and their larger diameter ends point towards the at least one movable element, and/or wherein axes of rotation of the rolling elements of the first roller bearing are inclined with respect to the first axial direction so that centrifugal forces generated inside the first roller bearing are configured to transport lubricant towards the at least one movable element.

Abstract: A translation and/or transportation system, such as an elevator, is described comprising a movable structure for transportation, e.g. a passenger cabin or a load-carrying platform, a guide and a skid integral with the movable structure and slidingly coupled to the guide along a sliding axis. The skid is configured to stably and slidingly couple the movable structure to the guide, and comprises a centering member in contact with the guide. To attenuate the sliding friction, the skid comprises means—or a device—for generating without contact with the guide a force counteracting an external load impressed on the centering member, the load-counteracting force being repulsive or attractive on the guide, and directed in the opposite direction to the force impressed by the external load on the centering member.

Abstract: A fluid system for an aircraft engine can include a pumped fluid circulation circuit including a fluid tank, the fluid circulation circuit configured to circulate a fluid through at least a part of the aircraft engine and means, in the fluid circulation circuit, for selectively directing the fluid of the fluid circulation circuit as a function of a pressure of fluid in the fluid circulation circuit to one of: a part of the aircraft engine, and a fluid bypass in the fluid circulation circuit that is fluidly upstream of the part.

Abstract: A hybrid electric propulsion system is provided that includes a thermal engine, at least one electric generator, at least one lubrication fluid pump, at least one electric motor, and a controller. The electric generator is driven by the thermal engine, and is configured to produce electrical power. The lubrication fluid pump is configured to provide a volumetric flow rate of lubrication fluid to at least one component of the thermal engine. The electric motor is configured to drive the lubrication fluid pump using electrical power from the electric generator. The controller is in communication with the electric motor and a memory device storing instructions, which instructions when executed cause the controller to control the electric motor to drive the lubrication fluid pump to produce lubrication fluid at a determined volumetric fluid flow rate to the at least one component of the thermal engine.

Abstract: A deck device and a method to access a pit ladder are described. An elevator pit deck device includes a platform configured to move between a stored position and an operational position; the platform installable in a channel; the stored position being a folded or retracted configuration; the platform, when in the operational position, extending between a channel opening and a wall of the channel. In some embodiments, the channel is an elevator hoistway, the channel opening connects the elevator hoistway and an elevator landing sill, the wall of the channel is proximate to a pit ladder, and the pit ladder is extendable towards a pit of the elevator.

Abstract: A connector assembly includes a connector body and a suspension member. The suspension member extends along a center axis and comprises a plurality of tension members encased in a jacket. The suspension member has one end received within the connector body, and this one end has an end face extending at an angle relative to the center axis with ends of the plurality of tension members being exposed. A plurality of contact members are supported within the connector body, and each contact member contacts an exposed end face of at least one tension member to establish electrically conductive connections with the plurality of tension members.

Abstract: A machine including a first kinematic joint, wherein the first kinematic joint is lubricated based on a first schedule and a second kinematic joint, wherein the second kinematic joint is lubricated based on a second schedule. The first schedule is different than the second schedule. A lubricant pump is configured to pump a lubricant and a distribution valve is in communication with the lubricant pump. The distribution valve has a first fluid outlet configured to supply the lubricant from the lubricant pump to the first kinematic joint and a second fluid outlet configured to supply the lubricant from the lubricant pump to the second kinematic joint.