| Patent Number |
Title Of Patent |
Date Issued |
| 6244277 |
Dishwasher |
June 12, 2001 |
| A dishwasher having a cabinet and wash chambers is the form of drawers which slide in and out of the cabinet. Rigid and flexible closures are disclosed for sealing off the wash chambers when retracted into the cabinet. A detergent dispenser for the dishwasher is provided in one wall |
| 6189551 |
Dishwasher |
February 20, 2001 |
| A dishwasher having a cabinet and wash chambers in the form of drawers which slide in and out of the cabinet. Rigid and flexible closures are disclosed for sealing off the wash chambers when retracted into the cabinet. A detergent dispenser for the dishwasher is provided in one wall |
| 6082693 |
Inclination adjusting linkage arrangement for a supporting surface |
July 4, 2000 |
| An inclination adjusting linkage arrangement is disclosed for an open care bed or infant warmer having a mattress supported on a mattress base cantilevered from a columnar or vertically disposed "back bone". The mattress base includes a box like frame over which a sheet is stretched to |
| 6078730 |
Heat respiratory conduit |
June 20, 2000 |
| This invention is a heated corrugated (21) conduit (7) for use in a respiratory humidification system (5). A heater wire (20) within the conduit reduces the occurrence of condensation or "rain out". The heater wire is spirally wound in a helix or double helix with both ends of the wi |
| 6050260 |
Humidifier sleep apnea treatment apparatus |
April 18, 2000 |
| Apparatus and method of treating OSA (Obstructve Sleep Apnea) are disclosed wherein a Positive Airway Pressure device is utilized to provide a gases supply which is then passed through a humidifier. As the amount of water vapor generated by the humidifier is very low at start up (typical |
| 6034493 |
Brushless DC motor control |
March 7, 2000 |
| An electronically commutated brushless DC motor primarily for fractional horsepower applications of the type where at any instant one motor winding is unpowered and used to detect back EMF zero-crossings which information is used to initiate winding commutations. The duration of the puls |
| 6000232 |
Refrigeration system and method of control |
December 14, 1999 |
| A refrigeration system is disclosed in which temperature regulation and energy efficiency are improved. Each compartment to be cooled is provided with a variable speed fan, the speed of which is controlled dependent on that compartment's temperature, the temperature required of that |
| 5987105 |
Appliance communication system |
November 16, 1999 |
| A home appliance, such as a laundry washing machine or refrigerator including a buzzer designed to sound an alarm or provide an audible indication of a certain condition is disclosed. The appliance may transmit information (such as diagnostic or fault codes and appliance usage inform |
| 5980449 |
Infant warmer |
November 9, 1999 |
| An open care bed or infant warmer having a mattress supported on a mattress base cantilevered from a columnar or vertically disposed "back bone". The column carries an infrared radiant heater head at its upper end which directs heat down towards the mattress. The lower end of the column |
| 5971350 |
Height adjustment or levelling apparatus |
October 26, 1999 |
| A mechanism for adjusting the height of at least a part of an item or article, for example a home appliance such as a refrigerator, dishwasher or laundry washing machine. The device includes two parts and is adapted to replace at least a front foot of the item. A first part of the device |
| 5898817 |
Infant warmer with height adjustment mechanism |
April 27, 1999 |
| An infant warmer for use in a Healthcare environment for the examination and treatment of newborn babies. A column supports an infra-red radiant heater above a support surface on which the baby is positioned. The support source is cantilevered from the column. The column is carried by a |
| 5881566 |
Evaporation device for refrigeration equipment |
March 16, 1999 |
| An evaporation tray for a refrigerator or refrigerator/freezer which is adapted in use to contact a heat producing part of the refrigeration system (such as the compressor or condenser). The tray comprises a rigid frame which supports a flexible membrane designed to receive defrost l |
| 5841944 |
Infant warmer radiant heater head |
November 24, 1998 |
| An infrared radiant heater for use in an infant warmer open care bed. The heater includes a curved reflector within a similarly shaped housing. Between the reflector and casing is at least one baffle made of a heat insulating material. The baffle divides the inside of the housing into a |
| 5839507 |
Household refrigerator |
November 24, 1998 |
| A refrigerator 1 has a cabinet 2 including a fresh food compartment 5. A door 7 hinged from one side of the refrigerator cabinet 2 is closaeable to enclose the fresh food compartment. A butter conditioner 11 is mounted on the door 7. A refrigerator light 10 is positioned so that with the |
| 5821708 |
Electronically commutated motor control |
October 13, 1998 |
| A method and apparatus for controlling the speed of a multi-phase, brushless DC electrically commutated motor (ECM). Voltage is commutated to the windings of the ECM based on rotor position information derived from back EMF or Hall effect sensors. The application of the commutating v |
| 5768728 |
Water level determination for laundry washing machine |
June 23, 1998 |
| A laundry washing machine in which a suitable level of water is automatically determined for any particular load size. The machine is operated to first determine an initial estimation of the clothes load and to then fill to a water level suitable to the initial load estimation. The m |
| 5765581 |
Variable geometry spray nozzle |
June 16, 1998 |
| A laundry machine which has a spray head for spraying liquid into laundry machines into a defined target area. The spray head includes a tubular body with first and second groups of spray nozzles in the body wall located at different longitudinal spacings from the inlet. A pressure o |
| 5755244 |
Dishwasher |
May 26, 1998 |
| A dishwasher having spray arm, motor and pump components configured and mounted so as to occupy very low height. In one form the complete wash system is arranged as a drawer which slides in and out of a cabinet. The cabinet opening is stiffened against racking forces by incorporating an |
| 5743281 |
Dishwasher |
April 28, 1998 |
| A dishwasher having spray arm, motor and pump components configured and mounted so as to occupy very low height. In one form the complete wash system is arranged as a drawer which slides in and out of a cabinet. The cabinet opening is stiffened against racking forces by incorporating an |
| 5737790 |
Rinsing procedure for automatic washing machine |
April 14, 1998 |
| A laundry washing machine in which water is conserved by replacing the conventional deep rinse by a series of spray rinses. Each spray rinse utilises a predetermined quantity of water which is sprayed directly at the clothes load while the load is rotated, thereby allowing the rinse |
| 5726546 |
Agitation period control of laundry machine motor |
March 10, 1998 |
| A laundry washing machine in which the period of each agitation stroke (comprising "ramp", "plateau" and "coast" phases) is controlled by adjusting the "coast" phase of each stroke in order to maintain consistent washing performance. The "coast" phase is initiated (after a predetermined |
| 5709237 |
Dishwasher |
January 20, 1998 |
| A dishwasher having spray arm, motor and pump components configured and mounted so as to occupy very low height. In one form the complete wash system is arranged as a drawer which slides in and out of a cabinet. The cabinet opening is stiffened against racking forces by incorporating an |
| 5701684 |
Lint collector for clothes drier |
December 30, 1997 |
| A rotating drum clothes drier has an annular lint filter which rotates with the drier drum and which encircles the drier door. Heated air enters an inlet at one end of the drum, passes through the clothes in the drum (picking up lint from the clothes), through the annular lint filter and |
| 5701047 |
Electric fan motor |
December 23, 1997 |
| An electric motor is suitable for use in, for example, a home appliance, such as a refrigerator/freezer, to drive a fan blade. The electric motor includes a permanent magnet rotor and an excited two part laminated stator. The two parts of the stator are adapted to be connected together |
| 5689846 |
Laundry machine water flow control |
November 25, 1997 |
| A laundry machine which includes a method for adaptively controlling the flow of water into the laundry machine during the rinse phases of a wash cycle. Water is admitted into the machine through a proportional valve and the flow rate with the valve set at a predetermined degree of openi |
| 5651382 |
Dishwasher |
July 29, 1997 |
| A dishwasher having spray arm, motor and pump components configured and mounted so as to occupy very low height. In one form the complete wash system is arranged as a drawer which slides in and out of a cabinet. The cabinet opening is stiffened against racking forces by incorporating an |
| 5651380 |
Dishwasher |
July 29, 1997 |
| A dishwasher having spray arm, motor and pump components configured and mounted so as to occupy very low height. In one form the complete wash system is arranged as a drawer which slides in and out of a cabinet. The cabinet opening is stiffened against racking forces by incorporating an |
| 5640951 |
Humidifier conduit |
June 24, 1997 |
| A humidifier conduit has an enclosed helical passageway in the wall thereof to provide an insulating barrier against heat transfer from the inside of the conduit to the outside of the conduit. The conduit may include at least one heating means hectically disposed between the inner wall a |
| 5604387 |
Power supply derived from motor winding |
February 18, 1997 |
| A low voltage power supply which uses a low voltage transistor in conjunction with a winding of an electric motor and the high voltage motor commutation transistors. The motor winding is energised by the commutation transistors for example during use of the motor, and the low voltage |
| 5588423 |
Humidifier chamber |
December 31, 1996 |
| A humdification chamber for the humidification of respiratory gases has particular application for use over extended time periods with infrequent refills.The humidification chamber has a heated reservoir and a supply reservoir, the heated reservoir adapted to be in thermal contact with a |
| 5558084 |
Humidifier with delivery tube condensation preventing structure and control |
September 24, 1996 |
| A humidifier having an ambient temperature sensor for sensing the temperature of the ambient air in the environment in which the humidifier is located. A difference temperature selector is provided to allow a user to select a difference temperature which is the difference in temperature |
| 5537996 |
Heated respiratory humidifier conduit |
July 23, 1996 |
| A heated respiratory humidifier conduit for use with a respiratory humidifier/ventilator circuit. The conduit consists of an inspiratory tube passing gases from the humidifier/ventilator to the patient and an expiratory tube passing exhaled gases from the patient back to the gases su |
| 5534763 |
Methods of and/or apparatus for electronically commutated motor control |
July 9, 1996 |
| A method of controlling the commutation of power to an electric motor back EMF sensing or Hall effect sensors is disclosed. At least part of the current waveform is sensed in at least one motor winding and is used to establish information relating to the appropriate commutation pattern |
| 5529060 |
Humidifiers with control systems to prevent condensation |
June 25, 1996 |
| A humidifier in which the temperature of the humidified gases leaving the humidifying chamber of the humidifier is measured. The measured temperature is compared with a predetermined temperature required for a minimum humidity level for humidified gases supplied to a patient and if t |
| 5495904 |
Wheelchair power system |
March 5, 1996 |
| A power system for wheelchairs is described, in particular for wheelchairs of the foldable type with quick-release wheel axles 1, the power system having two compact drive units, which are affixable and removable without the use of tools. The drive units connect vertically to complementa |
| 5470142 |
Dishwasher |
November 28, 1995 |
| A dishwasher having spray arm, motor and pump components configured and mounted so as to occupy very low height. In one form the complete wash system is arranged as a drawer which slides in and out of a cabinet. The cabinet opening is stiffened against racking forces by incorporating an |
| 5468961 |
Infrared gas analyser and humidity sensor |
November 21, 1995 |
| An infrared gas analyser. The analyser comprises a sample cell located in a gas flow, a source of infrared radiation of selected wavelengths which is propagated through the sample cell and an infrared detector which receives radiation which has passed through the cell, The radiation inci |
| 5452725 |
Cable termination status detection |
September 26, 1995 |
| A method and apparatus for detection of the status of a cable termination. The cable is required to be terminated by being in contact with the body of a patient in a medical environment. The apparatus warns a user if the cable is disconnected from the patient. The status of the terminati |
| 5445143 |
Humidifier with dual float valves |
August 29, 1995 |
| A humidification chamber for a respiratory humidifier water is maintained by the use of floats which actuate valves to control the passage of water through a water inlet. Two floats are each provided with actuating mechanisms to separately control the respective valve members. The se |
| 5411052 |
Liquid supply apparatus |
May 2, 1995 |
| Liquid supply apparatus is disclosed for controlling the supply of liquid to humidifier apparatus. The liquid supply apparatus has a chamber with an inlet through which a liquid such as water is supplied to the chamber. The chamber has a flow detector to detect liquid entering the chambe |
| 5398298 |
Acceleration controller for laundry machine motor |
March 14, 1995 |
| A method of cyclically accelerating an electric motor particularly for use in a laundry machine. A desired speed, direction of rotation and acceleration time is set and power is applied to the motor in a series of incremental steps, each successive step corresponding to an increase in |
| 5367604 |
Humidifier apparatus and/or gases distribution chambers and/or temperature probe |
November 22, 1994 |
| A humidifier provides humidified gases to a patient. The humidifier is very compact, having a gases volume of the order of 60 mls. A microporous water compartment is provided perpendicular to the gases flow to ensure efficient humidification of the gases. Also, a combined temperature pro |
| 5357765 |
Cooling device |
October 25, 1994 |
| A cooling device has at least one refrigerator compartment and freezer compartment. Cooling of each compartment is controlled by a microprocessor running through a series of basic priorities which may be over ridden by any one in a series of high priorities. Cooling of both compartments |
| 5353613 |
Electric motor for clothes washing machine drive |
October 11, 1994 |
| An electric motor (2) for a clothes washing machine including the motor and a drive, the motor having a stator (25) held outboard of a frame carrying bearings (37, 38) in which a shaft (11) rotates, the shaft carrying the rotor (21) outboard of the stator (25), and permanent magnets (17) |
| 5341452 |
Electronic controls for electric motors, laundry machines including such controls and motors and |
August 23, 1994 |
| A method of cyclically accelerating an electric motor for example for use during an agitation cycle in a laundry machine. A desired speed, direction of rotation and acceleration time is set and power is applied to the motor in a series of incremental steps, each successive step correspon |
| 5271116 |
Laundry machines and/or methods of controlling the same |
December 21, 1993 |
| A method of providing a desired water level in a laundry machine by energising the motor of the machine intermittently to produce changes in velocity of the spin tub, agitator and a load of clothes in the spin tub.The changes in velocity are measured and from the measurements the mass of |
| 5266855 |
Electric motor for clothes washing machine drive |
November 30, 1993 |
| An electric motor (2) for a clothes washing machine including the motor and a drive, the motor having a stator (25) held outboard of a frame carrying bearings (37, 38) in which a shaft (11) rotates, the shaft carrying the rotor (21) outboard of the stator (25), and permanent magnets (17) |
| 5247231 |
Methods of and/or apparatus for braking an electronically commutated motor and/or laundry machin |
September 21, 1993 |
| A method of braking an electronically commutated motor (ECM) by connecting a braking resistor across the motor supply rails and controlling the commutation sequences of the motor. The commutation switching devices are controlled to commutate power generated in said windings by rotation o |
| 5231722 |
Washing machine and method of controlling the same |
August 3, 1993 |
| The temperature or some other specific characteristic of a mixture of two liquids at different temperatures in a mixing chamber (14) is controlled by a microprocessor (8) which controls the supply of power to solenoid actuated valves (10 and 11) to control the quantities of the liquids |
| 5209073 |
Cooling device and method with multiple cooled chambers and multiple expansion means |
May 11, 1993 |
| A cooling device having a refrigeration chamber (1) and a freezer chamber (3), a refrigeration plant having an evaporator (15) and condenser (18), a compressor (16) and air flow passageways (5, 8, 11) for conducting air flow across the evaporator and through the refrigerator and freezer. |
