10981results about "Chairs" patented technology

The present invention relates to a method for control of a direct current motor in one or several fan units, each comprising a fan, which method comprises: generation of a control signal from a first control unit which is external in relation to the said fan unit; transmission of the said control signal to the said fan unit; reception of the transmitted control signal in the said fan unit; interpretation of the said control signal in a second control unit which is arranged in association with the said fan unit; and generation, in the said second control unit, of a supply signal for the said direct current motor, on the basis of the control signal generated by the first control unit and received in the fan unit and on the basis of a supply voltage. According to the invention, the method comprises transmission of the control signal together with the supply voltage over a shared communication link, with the control signal being superposed on the supply voltage. The invention also relates to an arrangement for such control. By means of the invention, improved control is obtained of a motor that can be utilized in a ventilated seat in a vehicle.

According to certain arrangements, a climate controlled bed includes an upper portion comprising a core with a top core surface and a bottom core surface. The core includes at least one passageway extending from the top core surface to the bottom core surface. The upper portion of the bed further includes at least one fluid distribution member positioned above the core, wherein the fluid distribution member is in fluid communication with at least one passageway of the core. The fluid distribution member is configured to at least partially distribute fluid within said fluid distribution member. The upper portion of the bed further comprises at least one comfort layer positioned adjacent to the fluid distribution member. The bed also includes a lower portion configured to support the upper portion and at least one fluid module configured to selectively transfer air to or from the fluid distribution member of the upper portion. In some arrangements, the fluid module includes a fluid transfer device and a thermoelectric device for selectively thermally conditioning fluids being transferred by the fluid transfer device.

A net member is stretched over a frame for a seat and backrest of a chair. An engagement member attached to the end of the net member is inserted into an engagement groove on the lower surface of the basic frame. A binding frame is pressed onto the lower surface of the basic frame and the net member is fixed between the basic frame and the binding frame by the engagement piece.Warps are woven or knitted in a mesh structure over the seat and backrest to wefts comprising elastic yarns and chenille yarns.

A climate control device includes a first and a second thermal module. The first module is configured to provide climate conditioned air to a first portion of a seat. The second module is configured to provide climate conditioned air to a second portion of the seat. A control system is provided for controlling the climate control device. The control system includes an input device for providing a set point for the system. A first control unit of the control system is provided for the first thermal module and a second control unit is provided for the second thermal module.

A climate controlled seat, bed or other assembly configured to receive a person includes a blower and two or more thermoelectric devices or other conditioning fluid modules. According to one embodiment of an operational scheme, a control system for the seat or bed is configured to continuously discharge air from the blower through the thermoelectric devices. In one arrangement, the thermoelectric devices are sequenced between an activated and a deactivated position. Consequently, the desired cooling and / or cooling effect can be maintained while reducing energy consumption of the climate control system.

A chair includes a lower back frame, a back construction, including a back support attached to the lower back frame, a cushion assembly attached to the back support and a clip wedgingly engaged between the back support and the cushion assembly. The cushion assembly further includes an inner shell which includes two or more apertures and a hook extending downwardly and outwardly from each aperture. The clip further includes at least one angled ramp and at least one stop. The angled ramp is configured to allow the hook of the inner shell to slide through the angled ramp and the stop is configured to suspend sliding of the hook. Methods of assembling a back construction are also provided.

Methods and apparatus for controlling the temperature of a seat such as a vehicle seat are disclosed. The apparatus includes an electrical heater disposed in the seat, a cooling unit such as a cooling element and a fan, a detector for detecting the temperature associated with the electrical heater, and a controller for controlling the electrical heater and the cooler based upon the detected temperature and upon the humidity algorithm comprising a predetermined set of calculations of the humidity of air at different temperatures.

A device is provided for supporting a substantially flat television screen over a piece of furniture of the type having an upper surface with spaced apart front and rear edges, and a back. The device comprises a pedestal and an upper support. The pedestal includes a base for supporting the weight of the screen on a floor surface, a column extending vertically upwardly from the base, and a bracket for connecting the column to the back of the piece of furniture so that the column is held in position against the piece of furniture. The upper support includes a post that is connected to and vertically adjustable with respect to the column, a cantilever support arm extending forwardly from the vertically adjustable post, the support arm terminating in a free end, and a screen mounting member connected to the free end of the support arm for receiving the flat screen television. When the device is mounted adjacent the back of the piece of furniture, with the post vertically adjusted to a desired height, and with a flat television screen attached to the screen mounting member, the flat screen may be supported above the upper surface and at a prescribed point between the front and rear edges of the piece of furniture.

A seat portion or a backrest portion of seating assembly comprises a recessed area or wide groove along its exterior surface. The recessed area can be configured to receive a spacer (e.g., spacer fabric, member, module, etc.) that helps maintains the spatial and structural integrity of the recessed area. In addition, a scrim layer can be positioned over the spacer fabric to help direct and / or distribute air or other fluid to an exterior surface of the seating assembly. The recessed area can also be configured to receive one or more films, occupant sensory devices, comfort layers, scrims, temperature sensors, heating devices and / or the like.

A backrest assembly includes an annular front frame having a front surface on which inner and outer annular flanges are formed, defining a first annular groove therebetween. A plurality of pegs is formed in the annular groove. A net is mounted in front of the front frame in a tightened state and includes a plurality of peg holes. A periphery of the net covers the outer annular flange of the front frame and is received in the first annular groove. Each peg of the front frame extends through one of the peg holes. Inner and annular wall are formed on a front face of an annular rear frame and define a second annular groove therebetween. A plurality of stubs is formed in the second annular groove. Each stub includes a receptacle receiving one of the pegs. Fasteners are extended through engaging holes in the front and rear frames.