| Patent Number |
Title Of Patent |
Date Issued |
| D365775 |
Elevator pushbutton control panel |
January 2, 1996 |
|
| D363247 |
Combined display board and elevator control button panel |
October 17, 1995 |
|
| D290170 |
Reaction vessel |
June 2, 1987 |
|
| D282005 |
Specimen holder for photometric measurement of fluids in automatic analyzers |
December 31, 1985 |
|
| 6651780 |
Traction sheave elevator, hoisting unit and machine space |
November 25, 2003 |
| Traction sheave elevator consisting of an elevator car moving along elevator guide rails, a counterweight moving along counterweight guide rails, a set of hoisting ropes (3) on which the elevator car and counterweight are suspended, and a drive machine unit (6) driving a traction she |
| 6161674 |
People mover and drive apparatus |
December 19, 2000 |
| A people mover such as an escalator or moving sidewalk is driven by a motor having a relatively small axial dimension and is configured to fit in available space, avoiding the need for a machine room for these components, thereby simplifying the incorporation of the people mover into |
| 6148962 |
Traction sheave elevator, hoisting unit and machine space |
November 21, 2000 |
| Traction sheave elevator consisting of an elevator car moving along elevator guide rails, a counterweight moving along counterweight guide rails, a set of hoisting ropes (3) on which the elevator car and counterweight are suspended, and a drive machine unit (6) driving a traction she |
| 6131704 |
Elevator rail brake |
October 17, 2000 |
| Rail brake (1) for an elevator, comprising a brake body attached to the elevator car, a clamp part comprising jaws (3,4) that engage a guide rail (2) via braking surfaces during braking. A spring (10) generates a load on the clamp part to press the braking surfaces against the guide rail |
| 6109398 |
Safety gear |
August 29, 2000 |
| A safety gear (1) comprising a frame provided with a braking surface, which, when the safety gear is braking, is pressed against a first guide surface of a guide rail. Mounted in the frame is a roller (3), which moves along a track in the safety gear. The track comprises at least a first |
| 6050368 |
Procedure and apparatus for controlling the hoisting motor of an elevator |
April 18, 2000 |
| In the control of the hoisting motor (5) of an elevator, the output (25,125) of the motor drive is generated using a signal (23,127) proportional to the rotation of the hoisting motor as feedback signal during passages between floors. At or near a landing, the position of the elevato |
| 6026936 |
Sliding safety gear |
February 22, 2000 |
| A sliding safety gear designed to brake by gripping an elevator or counterweight guide rail includes a flexible frame surrounding the guide rail in the directions of the guiding surfaces of the guide rail. The frame is provided with a braking surface that meets a first guide surface |
| 6021873 |
Procedure and apparatus for the measurement of elevator load |
February 8, 2000 |
| A procedure and apparatus for the measurement of elevator load uses a load measuring apparatus. The elevator comprises an elevator car (17) travelling along guide rails (2) in an elevator shaft, a counter-weight (20), a hoisting machinery (18, 19), a control unit, and hoisting ropes |
| 5996742 |
Elevator machinery |
December 7, 1999 |
| The stator disc (11) of a disc motor type elevator machinery has a cuplike or ring-shaped annular cavity (20). The stator (9) is attached to one of the walls of the cavity. The traction sheave (4) is attached to the rotor disc (14) on the opposite side relative to the stator core packet |
| 5982060 |
Elevator machinery |
November 9, 1999 |
| The stator disc (18) of the motor (2) of a disc motor type elevator machinery is s provided with an annular cavity (19a) in which the stator (9) is placed. The stator (9) is attached to one of the walls of the cavity. The rotor (13) is placed in a rotor disc (12). Between at least on |
| 5971109 |
Arrangement for releasing the brake of an elevator machinery |
October 26, 1999 |
| A manually activated elevator braking release including an actuating element placed away from the brake and a mechanical power transmission system for transmitting releasing power from the actuator to a brake element. The actuator is placed on a landing and a window is provided near |
| 5962948 |
Elevator motor with flat construction |
October 5, 1999 |
| An elevator motor (2) employing permanent magnets (30) attached in a circle on the surface (36) of the rotor disc (12). The rotor disc (12) forms part of both the magnetic circuit and the supporting structure of the rotor (13). The permanent magnets (30) are placed in a separate cavity f |
| 5950797 |
People mover and drive apparatus |
September 14, 1999 |
| A people mover such as an escalator or moving sidewalk is driven by a motor having a relatively small axial dimension and is configured to fit in available space, avoiding the need for a machine room for these components, thereby simplifying the incorporation of the people mover into |
| 5950766 |
Procedure for closing an elevator landing door, and a door coupler |
September 14, 1999 |
| In the procedure for closing an elevator landing door (3,4), the landing door is coupled with the car door (1,2) by a door coupler, and the car door is moved by an actuator provided in conjunction with the elevator car. During the initial phase of the closing movement, the car door and |
| 5934891 |
Constant leakage flow, pulsation free screw pump |
August 10, 1999 |
| The screw pump (1) has a driving screw (6) and at least one side screw (7), which are placed in a screw channel (5) in the pump body (2), between a suction space (3) and a pressure space (4). At least one of the clearances between the surfaces of the driving screw, side screws and screw |
| 5932852 |
Method and apparatus for allocating landing calls in an elevator group |
August 3, 1999 |
| A procedure for allocating the calls entered via landing call devices of the elevators in an elevator bank forms several allocation options. Each allocating option contains, for each active landing call, a call data item and an elevator data item which together are used to determine whic |
| 5915501 |
Threshold for a landing door for a lift |
June 29, 1999 |
| The threshold includes a shaped support plate of steel or the like with a sinuous profile which forms at least one longitudinal, substantially U-shaped loop between two raised portions. A profiled cover element of aluminum or the like is located on the plate and forms at least one guide |
| 5906251 |
Traction sheave elevator |
May 25, 1999 |
| Traction sheave elevator in which the drive machinery together with the traction sheave is placed in the elevator shaft. The hoisting ropes go upward from the traction sheave. In the cross-section of the elevator shaft, the vertical projections of the elevator car, counterweight and the |
| 5904014 |
Fireproof trim for a landing door for a lift |
May 18, 1999 |
| The trim includes a fireproof profiled element (11) of incombustible material, preferably steel, with an L-shaped cross section having a first limb (11a) fixed to a jamb (1, 2) or transom (3) of the door frame and a second limb (11b) located adjacent the corresponding side or face (4-6) |
| 5899301 |
Elevator machinery mounted on a guide rail and its installation |
May 4, 1999 |
| An elevator machinery (1) with a disc type motor is mounted on one of the guide rails (6) of the elevator car or counterweight. The guide rail (6) constitutes a part adding to the mechanical strength of the elevator machinery. The vertical forces applied to the traction sheave (4) by the |
| 5896948 |
Reserve power system |
April 27, 1999 |
| A reserve power system includes a reserve power machine (2) for the generation of power. The reserve power machine (2) is connected via a distribution network (4) to consumers (10,12) and elevator drives (8). The elevator drives include an elevator hoisting motor (28) and a frequency |
| 5894910 |
Procedure for controlling an elevator |
April 20, 1999 |
| A velocity-controlled elevator drive including an a.c. motor (28) driving elevator machinery regulated by means of a frequency converter (26) supplying the motor (28) with a controlled frequency and voltage. The load condition of the elevator is measured by means of a load weighing devic |
| 5889240 |
Arrangement in an elevator push button |
March 30, 1999 |
| Push button arrangement for an elevator including a push button (7) with a mounting element (1), a mounting base (10), a cover plate (17) and a circuit card (3). The push button (7) is attached to the mounting element (1) using double-sided tape. The push button (7) is provided with an |
| 5886696 |
Display apparatus and method dynamically indicating elevator movement between floors by scrollin |
March 23, 1999 |
| In a display (202) comprised in an elevator system, more than one floor symbol (205) but less than all the floor symbols corresponding to different floors in the elevator system are highlighted at a time. At least the floor symbol corresponding to the current position and that corres |
| 5878847 |
Arrangement for fixing an elevator rope |
March 9, 1999 |
| According to the invention, at least one end of the elevator ropes (8) is fixed to a guide rail (4,7) of the elevator. According to an embodiment of the invention, the whole elevator is so suspended by its ropes (8) that all vertical forces are transmitted by the guide rails (4 . . . 7) |
| 5848671 |
Procedure for stopping an elevator at a landing |
December 15, 1998 |
| The invention relates to a procedure for stopping an elevator car at a landing, in which procedure the travelling velocity and position of the elevator in the shaft are measured and a distance from the landing, i.e. a deceleration point at which deceleration is started, is determined for |
| 5847533 |
Procedure and apparatus for braking a synchronous motor |
December 8, 1998 |
| The invention relates to a method and an apparatus for braking a synchronous motor (2) magnetized with permanent magnets. According to the invention, there is connected to the input connectors (38,40,42) of the synchronous motor a non-linear braking resistor (60) by means of which the |
| 5837948 |
Elevator machinery |
November 17, 1998 |
| The elevator machinery (26) comprises a motor (6) and its traction sheave (18). The rotor (17) is disc-shaped and air gap (ag) between it and the stator (14) can turn a plane which is substantially perpendicular to the shaft (13). The stator (14) forms a ringlike sector (28) and is place |
| 5823298 |
Traction sheave elevator |
October 20, 1998 |
| Traction sheave elevator in which the drive machinery together with the traction sheave is placed in an elevator shaft provided with guide rails for the elevator care and the counterweight. The hoisting ropes go upward from the traction sheave. The elevator comprises two diverting pulley |
| 5821476 |
Device for emergency operation of an elevator motor |
October 13, 1998 |
| Device (100) for rotating an elevator motor during an emergency situation, such as a power failure, comprising a d.c. supply (4) and a rotary switch (8) used as a switching device for supplying a d.c. voltage into the windings (R-S, R-T, S-T) of the elevator motor (1). The d.c. voltage |
| 5811906 |
Damper winding of an elevator motor |
September 22, 1998 |
| Damper winding (13) for an elevator motor provided with permanent magnets (14). The damper winding consists of frames (16) surrounding each permanent magnet (14). Each one of the frames is electrically connected to the adjacent frame (16) or the frames are integrated together. The damper |
| 5798490 |
Procedure and apparatus for determining the position of an elevator car |
August 25, 1998 |
| A procedure for determining the position of an elevator car in which the code data contained in code units mounted in the building is read by means of a code data detector unit (4) in such manner that a code unit containing floor data and door zone data is mounted essentially close to |
| 5794746 |
Door sill arrangement in an elevator car |
August 18, 1998 |
| A door sill arrangement for an elevator has a profiled sill element with upper and lower grooves. First and second door panels of the elevator are provided with first and second sliding guides, respectively. The first and second sliding guides move in the upper and lower grooves of the p |
| 5787020 |
Procedure and apparatus for analyzing elevator operation |
July 28, 1998 |
| The invention relates to a procedure and an apparatus for analyzing elevator functions and detecting deviating functions. By monitoring signals associated with traffic events in the elevator system, an analyzer connected to the elevator learns the normal operation of each elevator in |
| 5783895 |
Elevator motor with flat construction |
July 21, 1998 |
| An elevator motor (2) employing permanent magnets (30) attached in a circle on the surface (36) of the rotor disc (12). The rotor disc (12) forms part of both the magnetic circuit and the supporting structure of the rotor (13). The permanent magnets (30) are placed in a separate cavity f |
| 5736694 |
Method for providing a phone alarm call in an elevator system |
April 7, 1998 |
| A system for regional and local supervision and monitoring of elevator equipment, that includes a modular system containing a service center set of equipment and an on-site set of equipment connected to at least one building. Communication between these sets of equipment is implemented |
| 5736692 |
Remote controller linkage to an elevator system |
April 7, 1998 |
| A remote controller linkage is established to an elevator system having one or more elevators and using a data transmission network (21) comprising at least one serial communication bus for the transmission of control signals between the operating and/or other devices belonging to the sy |
| 5734135 |
Procedure for starting an elevator |
March 31, 1998 |
| In a system for starting elevator machinery driven by a synchronous motor, current is fed to the motor by a frequency converter and a traction sheave is connected to the motor to move the elevator car with hoisting ropes. The angle of the magnetic field of the stator is determined when t |
| 5715913 |
Door sill for an elevator car |
February 10, 1998 |
| Sill system for an elevator car, comprising a sill profile (5), a lower door guide (7) movable in a slot (12) in the sill profile (5) and a guide holding bracket (9) for connecting the lower door guide (7) to the door. The guide holding bracket (9) is passed to the lower door guide (7) f |
| 5714726 |
Method for performing an alarm call in an elevator system |
February 3, 1998 |
| A system for regional and local supervision and monitoring of elevator equipment, that includes a modular system containing a service center set of equipment and an on-site set of equipment connected to at least one building. Communication between these sets of equipment is implemented |
| 5712457 |
Apparatus for regulating an elevator motor |
January 27, 1998 |
| The invention relates to an apparatus for regulating the speed of an a.c. elevator motor (10) by means of a frequency converter (8) consisting of a rectifier bridge (12) and an inverter bridge (14) with an intermediate circuit between them. The frequency of the frequency converter is adj |
| 5690189 |
Apparatus and method for locking and unlocking the door of an elevator car |
November 25, 1997 |
| An apparatus for locking the door of an elevator car includes a lock (12) that locks the car door, a guide surface (9) in the elevator shaft at each landing and a linkage (6) operating the lock (12). The linkage includes an operating lever (17) which, when at a landing, presses against t |
| 5679934 |
Programmable operating panel for an elevator car |
October 21, 1997 |
| An operating panel (5) for an elevator car, containing car call buttons (7), signalling devices and other signs representing information. The control panel of the elevator car is replaced with a touchscreen display (1) incorporating a passage control feature. The touchscreen display (1) |
| 5678660 |
Overhead supporting beam for an elevator door and a door mechanism arrangement |
October 21, 1997 |
| In the overhead supporting beam of an elevator door, the roller races (4,5) for the rollers of the door panels are formed from one piece with the overhead supporting beam (1). The door operating mechanism (11) with the door operating motor (15) is fitted to form a single unit with the |
| 5665944 |
Elevator machinery |
September 9, 1997 |
| The elevator machinery (26) comprises a motor (6) and its traction sheave (18). The rotor (17) is disc-shaped and air gap (ag) between it and the stator (14) can turn a plane which is substantially perpendicular to the shaft (13). The stator (14) forms a ringlike sector (28) and is place |
| 5653311 |
Suspension arrangement for a hydraulic elevator |
August 5, 1997 |
| The invention relates to a suspension arrangement for a hydraulic elevator. In addition to a normal diverting pulley mounted on the top end of the piston of the hoisting cylinder, the arrangement includes an additional diverting pulley placed at the bottom end of the cylinder. The first |
