Abstract: An illustrative example embodiment of an elevator includes an elevator car frame. A drive mechanism is situated near only one side of the elevator car frame. The drive mechanism includes at least one rotatable drive member that is configured to engage a vertical surface near the one side of the elevator car frame, selectively cause movement of the elevator car frame as the rotatable drive member rotates along the vertical surface, and selectively prevent movement of the elevator car frame when the drive member does not rotate relative to the vertical surface. A biasing mechanism urges the rotatable drive member in a direction to engage the vertical surface. At least one stabilizer is situated near the one side of the elevator car frame and is configured to prevent the elevator car frame from tipping away from the vertical surface.

Abstract: An illustrative example method of positioning an elevator door interlock includes positioning an elevator car in a hoistway near the hoistway door so that at an elevator door coupler is aligned with the interlock, opening a door of the elevator car and the hoistway door, accessing an adjustment mechanism supporting the interlock from outside of the hoistway, and using the adjustment mechanism to adjust a position of the interlock relative to the hoistway door from outside the hoistway.

Abstract: The method comprises installing a lowermost first section of guide rail elements, moving a guide rail element upwards along a row of already installed guide rail elements with a transport apparatus, connecting the guide rail element to an upper end of the row of already installed guide rail elements and attaching the guide rail element to a wall of the shaft from a transport platform, moving the transport apparatus downwards along the row of already installed guide rails in order to fetch a new guide rail element.

Abstract: A lubrication device for a helicopter including: an oil sump in which oil for lubrication is retained; a lubrication pump configured to suck the oil from the oil sump to discharge the oil; and a lubrication passage extending from the lubrication pump to a first lubrication target. The lubrication passage includes: a first supply port that supplies the oil to the first lubrication target; an oil reservoir provided upstream of the first supply port; and an opening provided upstream of the oil reservoir and above the oil reservoir. The first supply port is formed right above the first lubrication target.

Abstract: A Lubrication system for an engine component of a gas turbine engine, such as a planetary gearbox. The system comprises a main lubrication system comprising a main tank configured to supply lubricant to the engine component, and a main reservoir configured to collect lubricant scavenged from the engine component after lubrication; and an auxiliary lubrication system comprising an auxiliary reservoir configured to collect lubricant scavenged from the engine component after lubrication and to supply scavenged lubricant to the engine component. Main reservoir comprises an interior and the auxiliary reservoir is located within the interior of the main reservoir. The auxiliary reservoir comprises an upper portion, a lower portion and a lubricant pickup region, the upper portion comprising an opening arranged to permit lubricant to overflow into the main reservoir, and the lower portion of the auxiliary reservoir being shaped to cause lubricant to drain towards the lubricant pickup region.

Abstract: An elevator car of an elevator system includes a car body and a car frame supportive of the car body. The car frame includes two opposing side frames, each side frame formed from a plurality of side frame segments, including two upright members and one or more upright braces connecting the two upright members, adjacent side frame segments secured to each other via a joint. A method of installation of an elevator car of an elevator system includes positioning a first side frame segment of a plurality of side frame segments adjacent to second side frame segment of the plurality of side frame segments, and securing the first side frame segment to the second side frame segment via a splice joint thereby constructing a car frame of the elevator car. One or more car bodies are installed into the car frame.

Abstract: In some examples, an aircraft gearbox comprises a housing, a barrier, a rotatable drive system component, a set of gears, and a lubrication system. The barrier separates a first compartment and a second compartment within the housing. Each of the rotatable drive system component and the set of gears operable to rotate based on torque received from an engine. The rotatable drive system component is located in the first compartment. The set of gears is located in the second compartment. The lubrication system comprises a first lubrication subsystem and a second lubrication subsystem, which are, at least in part, independent from one another. The first lubrication subsystem is operable to lubricate the rotatable drive system component in the first compartment. The second lubrication subsystem is operable to lubricate the set of gears in the second compartment. The barrier inhibits lubricant from passing between the first compartment and the second compartment.

Abstract: A gear assembly of an aircraft including an engine is generally provided. The gear assembly includes a first gear meshed with a second gear to define a gear mesh, and a walled lubricant tank defining a lubricant reservoir and a reservoir inlet opening. The reservoir inlet opening is defined adjacent to an out-of-mesh side of the gear mesh. At least a portion of lubricant from the gear mesh enters the lubricant reservoir through the reservoir inlet opening.

Abstract: An example of an emergency lubrication system for an aircraft includes a lubricant tank configured to supply a lubricant to a gearbox of the aircraft, a tube coupled between the lubricant tank and the gearbox and comprising a check ball disposed within the tube, a first lubricant line coupled to the tube and a first inlet of the gearbox, and a second lubricant line coupled to the tube and a second inlet of the gearbox.

Abstract: A lubricant scavenging system for a turbine engine having a pair of concentric, counter-rotating shafts. The system comprises a lubricant sump housing having a radially inner surface, a pair of pedestal mounts each adapted to receive a bearing assembly from a respective shaft, a lubricant collection point axially disposed between the pedestal mounts, and a pair of axial channels adapted to guide lubricant toward the lubricant collection point.

Abstract: Guide rail support assemblies for elevator systems are provided. The guide rail support assemblies include a junction element comprising a backing plate, a first extension, and a second extension, the junction element defining a rail cavity, wherein the rail cavity is configured to receive two rail sections, wherein the junction element is configured to join a first rail section to a second rail section and a mounting element configured to attach to a wall of an elevator shaft, wherein the mounting element is connected to the junction element.

Abstract: A lubricating device of a power transmitting system including a power transmitting mechanism. The lubricating device includes: an oil reservoir; an oil pump; an oil catcher provided to receive a portion of the oil delivered from the oil pump; and an oil piping assembly through which the oil delivered from the oil pump flows to be delivered to each of the at least one lubricated portion. The oil piping assembly has a first oil delivery nozzle from which the oil is delivered to each lubricated portion, and a second oil delivery nozzle from which the portion of the oil delivered from the oil pump flows into the oil catcher. The second oil delivery nozzle has a length larger than that of the first oil delivery nozzle.

Abstract: A method of retrofitting a gear box assembly with an emergency lubrication system includes removing plugs from visual inspection ports of a gearbox housing, removing a breather from a breather port of the gearbox housing, and installing jet plugs into the respective visual inspection ports and breather port, wherein each jet plug includes a respective jet tube.

Abstract: Counterweights for elevator systems are described. The counterweights include a frame and a counterweight safety system attached to the frame. The safety system includes a safety brake mounted to an upright of the frame and configured to enable engagement with a guide rail to apply a braking force. A sheave is mounted to the frame and configured to operably connect to tension members. The sheave is configured to move between a first position when under tension and a second position when the tension is lost. A connecting link operably connects the sheave to the safety brake. The connecting link has first and second link members operably connected between the sheave and the safety brake.

Abstract: An oil change machine or apparatus for removing used oil from an engine has flow lines for removing oil directly from the engine, which can be an automobile engine or a boat engine. The oil change machine can be configured to empty used oil to a designated waste oil bin. The oil change apparatus or machine can be located at a shop, can be portable and maneuverable from locations to locations, or be mounted on a service vehicle for on-site use, such as to perform oil change away from an oil lube center. The oil change machine can have adaptors for use with various engine models and can include an onboard offloading tank, in addition to a service holding tank, for performing multiple oil changes.

Abstract: Provided is an elevator door device including: a rail that is disposed above an entrance; an opening and closing part of the entrance; and a locking mechanism that locks the opening and closing part. The locking mechanism includes: an engaging part including an engaging body that changes its position between a releasing position and an engaging position in association with the opening and closing of the opening and closing part; and an engaged part including an engaged body engaged with the engaging body at the engaging position. The engaged part is disposed in an area between the rail and the entrance, and overlaps with the rail as seen in plan view in the area. The opening and closing part has such a shape as to be able to open and close without abutting on the engaged part.

Abstract: The present invention provides a safety device, an elevator safety system and an elevator system. The elevator safety system comprises the safety device which comprises a shell having a vertical passage for elevator guide rails to pass through, the safety device further comprises a first brake block on a first side of the vertical passage, and a second brake block on a second opposite side of the vertical passage; and a safety device carrier for supporting the safety device and fixedly connected to an elevator car; wherein the shell of the safety device is obliquely and movably mounted on the safety device carrier.

Abstract: A lubricant cartridge container includes a cylindrical member, and a moving member moving inside the cylindrical member toward a lubricant inflow portion side as a fluid lubricant flows toward the lubricant inflow portion side when subjected to a suction force from a lubricating pump side. The moving member has a first moving main body portion moving inside the cylindrical member and contacting with a shoulder portion, and a second moving main body portion contacting with the lubricant inflow portion after the first moving main body portion comes in contact with the shoulder portion. The second moving main body portion has a center portion contacting with the lubricant inflow portion, and a step portion connecting the center portion and the first moving main body portion. The center portion has a recess recessed in a polygonal shape formed by connecting a plurality of apexes in a plan view.

Abstract: An oil supply structure which supplies lubricating oil to a portion to be lubricated in a casing, the oil supply structure comprises an opening portion provided on a wall portion of the casing which corresponds to a shaft end portion of a rotary shaft supported by a bearing in the casing, and an oil passage configured to provide communication from the opening portion to at least the bearing.

Abstract: A method of distributing oil to a component within a gas turbine engine includes directing a first oil flow from an oil source to an engine component and back to the oil source, directing a second oil flow from the oil source to a generator driven by the engine and back to the oil source, monitoring a parameter of the second oil flow downstream of the generator and upstream of the oil source, detecting a contaminant in the second oil flow based on the parameter, and reducing the second oil flow to the generator when the contaminant is detected without reducing the first oil flow to the engine component. A shared oil system for a component of a gas turbine engine and a generator driven by the gas turbine engine is also discussed.