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Fisher & Paykel Limited Patents
Assignee:
Fisher & Paykel Limited
Address:
Auckland, NZ
No. of patents:
127
Patents:


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Patent Number Title Of Patent Date Issued
RE33219 Clamp valves May 22, 1990
A clamp valve is made which comprises a hollow member open at one end and which has a pair of apertures through side walls thereof. A slide is movable in the hollow member and has a transverse aperture therethrough so that a conduit which has a pliable resilient wall can in use be passed
D467691 Dishwasher December 24, 2002
D465072 Front of a dishwasher October 29, 2002
D460224 Front of a dishwasher July 9, 2002
D459843 Front of a dishwasher July 2, 2002
D457694 Dishwasher May 21, 2002
D456571 Dishwasher April 30, 2002
D436931 Control console January 30, 2001
D418498 Icon for a display panel of a medical apparatus, humidifier, or respirator January 4, 2000
D414554 Healthcare apparatus September 28, 1999
D404856 Dishwasher control keypad January 26, 1999
D403471 Dishwasher December 29, 1998
D400320 Dishwasher October 27, 1998
D356734 Packaging element March 28, 1995
6864647 Linear motor March 8, 2005
The present invention provides an improved design of linear motor as well as an improved control strategy. The design allows for a shorted stator, where the armature magnets are controlled to reciprocate to a greater maximum displacement that for a equivalent conventional linear motor. T
6820617 Breathing assistance apparatus November 23, 2004
A mouthpiece for oral delivery for oral delivery of CPAP treatment has a vestibular shield for location between the teeth and lips/cheeks of a wearer. The vestibular shield is formed from a very supple material and is dimensioned to extend laterally into the buccal vestibule and vertical
6815847 Linear motor November 9, 2004
An electric linear motor for driving a reciprocating load includes a stator, a coil, an armature and a commutation circuit. The stator has a magnetically permeable core with an air gap. The coil is wound around a portion of the stator and energized with a non-constant voltage for pro
6811236 Door opening and closing system November 2, 2004
An apparatus assists a user to move a door between closed and open states. The apparatus includes a permanent magnet provided on the door. An electromagnet is located on the door frame adjacent thereto when the door is closed and is energizable to provide a magnetic field which reinforce
6809434 Linear motor October 26, 2004
The present invention provides an improved design of linear motor as well as an improved control strategy. The design allows for a shorted stator, where the armature magnets are controlled to reciprocate to a greater maximum displacement than for a equivalent conventional linear motor. T
6802314 Respiratory humidification system October 12, 2004
A flow probe for use in a humidification system is disclosed. The flow probe is adapted to be positioned in a humidified gases flow (for example oxygen or anaesthetic gases) such as that which is provided to a patient in a hospital environment. The flow probe is designed to provide both
6794621 Cook top status indicator September 21, 2004
A status indicator (4) for a transparent ceramic glass cook top is disclosed which is able to display a range of colors. Typically such indications are used with red or smoked glass cooktops and are limited to red. The present invention is positioned directly underneath the transpare
6776015 Perforation of laundry machine drum August 17, 2004
A laundry machine drum has a sheet material skin including an arrangement of a plurality of perforations therethrough. Each of one or more of the perforations includes a shear cut in the sheet material. The sheet is deformed in the region of the shear cut such that the edge of the sheet
6748618 Top loading washing machine and method of braking same June 15, 2004
A spin tub of a washing machine is driven by an electronically commutated DC motor. The commutation devices are connected to a DC power supply and have free-wheeling diodes connected in parallel therewith. The washing machine includes other components having inductive windings. A control
6719780 Warming methods and apparatus April 13, 2004
Apparatus and method for raising or maintaining the core temperature of a mammal during surgery is disclosed. The apparatus comprises a infrared radiant element with a double reflector design to provide a very narrow beam of radiation. In this fashion the apparatus is able to direct radi
6694974 Respiratory humidification system February 24, 2004
A flow probe for use in a humidification system is disclosed. The flow probe is adapted to be positioned in a humidified gases flow (for example oxygen or anaesthetic gases) such as that which is provided to a patient in a hospital environment. The flow probe is designed to provide both
6679257 Breathing assistance apparatus January 20, 2004
A mouthpiece for oral delivery for oral delivery of CPAP treatment has a vestibular shield for location between the teeth and lips/cheeks of a wearer. The vestibular shield is formed from a very supple material and is dimensioned to extend laterally into the buccal vestibule and vertical
6619287 Filter September 16, 2003
A filter for a respiratory circuit has a housing with an inlet port and an outlet port for connection to respective breathing tubes. A gases space lies between the inlet and outlet ports and gases pass across the gases space from the inlet port to the outlet port in use. A filter media s
6598604 Fault protection system for a respiratory conduit heater element July 29, 2003
A fault protection circuit for a respiratory conduit heater element in a respirator humidification system is disclosed. The circuit includes a spark detector as well as overcurrent detector. Several variations are included for the spark detector including a two winding transformer, a
6584972 Respiratory humidification system July 1, 2003
A flow probe for use in a humidification system is disclosed. The flow probe is adapted to be positioned in a humidified gases flow (for example oxygen or anaesthetic gases) such as that which is provided to a patient in a hospital environment. The flow probe is designed to provide both
6582198 Control strategy for a thermally activated diverter valve used in a washing appliance June 24, 2003
A washing appliance having a thermally actuated diverter valve to allow for the diversion of water through the water holding receptacle of the washing appliance, where control means controls the turning on and off of an inlet valve and energizing of the thermally actuated diverter valve.
6578391 Top loading washing machine June 17, 2003
A laundry washing machine has a cabinet 2 and a drum 1 suspended within the cabinet for rotation about a horizontal axis. The drum 1 includes a pair of drum ends with a pair of vanes 110, 111 extending between the drum ends 11, 12 rigidly connecting the drum ends together. The drum 1 has
6571808 Dishwasher June 3, 2003
A washing appliance such as a dishwasher where a top-loading wash chamber is slidable out of cabinet for loading and unloading has a cabinet-mounted chamber lid which is power driven down onto the open top of the wash chamber during the washing cycle. Linear actuators or motors mounted i
6536428 Ventilation system and/or breathing tube March 25, 2003
A breathing tube for humidified gases ventilation system has an internal conduit and a surrounding conduit within which the internal conduit is disposed. A connector at one end of the internal conduit and the surrounding conduit has an inhalation gases port for connection to an inhal
6520021 Pressure measuring device February 18, 2003
A connector is formed to connect with the outlet of a humidification chamber. A calibrated tube extends through the connector to be retained in use in at least a substantially vertical direction. A bias flow outlet also extends through the connector. In use the connector of the measuring
6500111 Infant care enclosure December 31, 2002
The present invention provides an enclosed humidified environment for an infant positioned on the mattress of an infant warmer open care bed. It includes an "A" frame structure which supports a flexible and transparent cover similar to a tent, which may be folded substantially flat when
6499321 Laundry machine and/or methods December 31, 2002
A laundry machine has a wash enclosure to which a supply of water is admitted through a hot water valve and a cold water valve. A temperature sensor senses the temperature of the combined water flow from the hot and cold valves or the temperature of the water collected in the water e
6492758 Polyphase transverse flux motor December 10, 2002
A tranverse flux motor having multiple stator phase windings which are electronically commutated to produce a rotating flux to drive a permanent magnet rotor located externally of the stator. The stator is formed by two complementary facing pieces each carrying half the stator poles, the
6481035 Top loading washing machine November 19, 2002
A method of operating a horizontal axis laundry machine through a drum opening operation is provided. The laundry machine includes a cabinet and a drum mounted in the cabinet. The drum has a drum skin including a cover section and a remainder. An edge of the cover section is connected to
6477867 Laundry appliance November 12, 2002
A balancing system for a laundry appliance is disclosed, which is particularly suited to horizontal axis washing machines. The system includes force and acceleration transducers at each end of the drum, to detect the imbalance. Several algorithms are disclosed, which calculate the co
6469920 Inductorless variable voltage appliance power supply October 22, 2002
A transformerless non-switched mode power supply for use with whiteware appliances having a water heating element. A high power voltage dropping resistor is used in series with a rectifier and a switching device phase controls the mains half waves to produce a variable voltage direct cur
6460955 Cabinet, parts thereof and associated methods October 8, 2002
A cabinet for a refrigerator is formed from a twin sheet thermoformed panel (1) divided into a plurality of wall sections, (8, 9, 10) by seams (6) where the twin sheets (2, 3) contact. The panel is folded to form the rear (10) and two side walls (8, 9) of a refrigerator cabinet, and top
6447081 Dishwasher September 10, 2002
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
6409885 Pulp forming machines June 25, 2002
A pulp forming machine includes a forming head including a platen and plurality of mould carriers. The mould carriers are connected to the platen by mould carrier support means which allow the mould carrier and the platen to transmit forces perpendicular to the general plane of the p
6398495 Dishwasher June 4, 2002
The present invention provides a drain pump for a washing appliance. The pump includes a motor having a drive shaft, a drain pump impeller mounted on the shaft, and a pump casing having a side wall which is co-axial with the motor and the impeller, which is adapted to receive water from
6398197 Water chamber June 4, 2002
A water chamber has a horizontally orientated gas inlet with an elongate flow tube extending into the water chamber from the inner periphery of the gases inlet. An inlet end of the elongate flow tube covers the inlet and an outlet end of the flow tube is spaced from the wall of the chamb
6363756 Top loading laundry appliance April 2, 2002
A laundry appliance such as a washing machine (2, 300) or a clothes drier (200) where user access to the clothes containing vessel (1, 201, 301) is facilitated by supporting the vessel in a structure (105, 205, 305) which may be tilted or slid out of the front of the appliance cabinet. W
6351950 Refrigeration system with variable sub-cooling March 5, 2002
A vapor compression refrigeration system using a capillary as an expansion device has a liquid refrigerant subcooler between a condenser and the capillary which is controlled to vary the refrigerant flow.
6349722 Respiratory humidification system February 26, 2002
A flow probe for use in a humidification system is disclosed. The flow probe is adapted to be positioned in a humidified gases flow (for example oxygen or anaesthetic gases) such as that which is provided to a patient in a hospital environment. The flow probe is designed to provide both
6343603 Connector February 5, 2002
A connector has a main body with a breathing gases passageway extending therethrough. A connection at one end of the passageway is configured to engage with the expiratory tube connection of a ventilator. The other end of the passageway is connected to the expiratory arm of a breathing
6343492 Top loading washing machine February 5, 2002
A laundry washing machine has a cabinet 2 and a drum 1 suspended within the cabinet for rotation about a horizontal axis. The drum 1 includes a pair of drum ends with a pair of vanes 110, 111 extending between the drum ends 11, 12 rigidly connecting the drum ends together. The drum 1 has
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