Abstract: A thermal conditioning system for conditioning a seat surface of a vehicle or other surface. The system includes a thermoelectric Peltier device with a main side and a waste side. A flap adjusts a proportion of an airflow between a main side airflow path and a waste side airflow path based on whether the surface is occupied, the power provided the thermoelectric Peltier device, the flow rates along the airflow paths, the power provided to a blower, and/or other factors.

Abstract: A thermal conditioning system for a vehicle seat or other surface includes a thermoelectric Peltier device (TED) with a main side and a waste side. A flap adjusts a proportion of an airflow over the main and waste side airflow paths based on one or more operational parameters of the system. The operational parameters can include a power provided to the TED, the flow rate of the airflow, a thermal efficiency between the TED and the airflow, and/or a setpoint temperature of the airflow.

Abstract: A microclimate system for a vehicle occupant includes multiple microclimate thermal effectors. Each of the microclimate communication with the microclimate thermal effectors and includes a plurality of first transfer functions. Each of the first transfer functions models a corresponding microclimate thermal effector in the plurality of microclimate thermal effectors. A system transfer function models the microclimate system. Each of the first transfer functions is nested within the system transfer function.

Abstract: An air distribution device that includes an air inlet (44), a first air outlet (46), a second air outlet (48), and a door (52). The door (52) is configured to move relative to the first air outlet (46) and the second air outlet (48) to adjust an airflow provided through the air inlet (44), the first air outlet (46) and the second air outlet (48). The air distribution device may be used in a vehicle seat, a vehicle, or both.

Abstract: A method that includes supplying an amount of power to a thermal system to effect a temperate change of a touch surface; determining a rate of the temperature change of the touch surface; comparing the determined rate of the temperature change to a predetermined rate threshold; and changing the amount of power supplied to the thermal system after the comparing step based on whether the determined rate of temperature change is less than or greater than the predetermined rate threshold.

Abstract: A method for estimating a temperature of an air stream. The method comprises determining a first and second heat transfer rate to or from the air stream, and optionally one or more additional heat transfer rates to or from the air stream. The first and second heat transfer rates are based on a first and second temperature, respectively, applied to the air stream. The rate of change of the air stream temperature is calculated based on the first and second heat transfer rates and optionally the one or more additional heat transfer rates. An estimated temperature of the air stream is updated from a prior program cycle based on the rate of change of the air stream temperature and the estimated air stream temperature from the prior program cycle.

Abstract: A method of controlling an occupant microclimate environment includes determining a heat balance on an occupant in a microclimate environment based upon a thermal model of the heat transfer effects on the occupant, estimating an overall thermal sensation of the occupant based upon the heat balance, referencing a target overall thermal sensation of the occupant, calculating an error between the estimated overall thermal sensation and the target overall thermal sensation, and controlling at least one thermal effector in at least one zone in the microclimate environment to reduce the error in overall thermal sensation while maintaining all effectors within limits of temperature and flow rate that ensure occupant comfort.

Abstract: The present disclosure related to a method for estimating a surface temperature of a trim layer. The method comprises determining a first heat transfer rate and a second heat transfer rate. The method comprises calculating a rate of change of the surface temperature based on the first and second heat transfer rates, and optionally one or more additional heat transfer rates. The method comprises updating an estimated surface temperature of the trim layer from a prior program cycle based on the rate of change of the surface temperature and the estimated surface temperature of the trim layer from the prior program cycle.

Abstract: An air distribution device that includes a seat plate. The seat plate includes one or more cushion engaging features. The one or more cushion engaging features are configured to engage one or more corresponding plate engaging features provided on a seat cushion of a vehicle seat.

Abstract: A method of providing thermal conditioning for a vehicle occupant according to an example of the present disclosure includes determining a respective target temperature for each of a plurality of discrete OPZs. Each OPZ is associated with a different occupant body area. The determining is based on a difference between a first OTS indicative of a target heat flux for the occupant and a second OTS indicative of an estimated heat flux experienced by the occupant, wherein the respective target temperatures differ between the OPZs. The method includes providing thermal conditioning in each OPZ based on the target temperature for the OPZ, which includes utilizing at least one thermal effector in the OPZ. The method also includes receiving a temperature offset value for a particular one of the OPZs from the occupant, and adjusting the target temperature for the particular one of the OPZs based on the temperature offset value.

Abstract: A method of controlling occupant thermal comfort includes the steps of driving a temperature in a seating zone to a temperature set point (54), holding the temperature set point in the seating zone for a predetermined time (56), and regulating the temperature in the seating zone to a corrected temperature set point based upon an equivalent homogenous temperature relating to vehicle cabin conditions and occupant gender (58).

Abstract: A microclimate control system for a seated occupant includes a seat having a cushion and a back respectively including a first array of pressure sensors and a second array of pressure sensors. The first array of pressure sensors provides a cushion occupant output. The second array of pressure sensors provides a back occupant output. The cushion and back occupant outputs correspond to load distributions from the seated occupant. At least one thermal effector is configured to provide thermal conditioning to the seated occupant. A controller is in communication with the first and second arrays of pressure sensors and with the at least one thermal effector. The controller includes an occupant personal parameters algorithm configured to extract occupant personal parameters based upon the cushion and back occupant outputs. The occupant personal parameters include at least two of an occupant weight, an occupant height, and an occupant gender.

Abstract: A comfort assembly for a vehicle seat cushion, the comfort system includes a carrier having a thermal device; a spacer layer attached to the B-side of the carrier; and an effector device attached to the spacer layer so that the spacer layer is between the effector device and the B-side of the carrier; the effector device is attached to the carrier before the comfort assembly is installed onto an A-surface of the cushion of the vehicle seat.

Abstract: An example method of providing thermal conditioning includes providing a HAL having a plurality of input drivers that obtain input data from temperature sensors, and a plurality of output drivers that control a discrete thermal effectors in discrete OPZs in a vehicle cabin. An EVAL obtains input data from the HAL and estimates a heat flux experienced by an occupant in each OPZ based on a vehicle profile. An OAL determines a first parameter based on a target heat flux for the occupant across all of the OPZs, determines a second parameter based on the estimated heat flux of the occupant from the EVAL, and determines respective temperature setpoints for each of the plurality of OPZs to reduce a difference between the first and second parameters. The thermal effectors are controlled based on the temperature setpoints.

Abstract: A method of controlling a microclimate system includes identifying a set of multiple microclimate thermal effectors configured to provide multiple occupant zones and determining a differential temperature between a local temperature at one of the microclimate thermal effectors and a preset temperature for the microclimate thermal effectors. The differential temperature is determined for each of the microclimate thermal effectors. A fuzzy set is generated for each of the microclimate thermal effectors based upon the respective differential temperature. A respective temperature set point for each of the microclimate thermal effectors is defined based upon the fuzzy set for the corresponding microclimate thermal effectors. Each microclimate thermal effector is commanded to the corresponding respective temperature set point.

Abstract: A distribution system for a vehicle seat. The distribution system includes one or more plenums that each have a cap layer, a support layer, and an open space formed between the cap layer and the support layer. The support layer is a generally rigid material and the cap layer is a generally flexible material that is connected to the support layer. The open space includes one or more baffles that assist in directing fluid between a blower connected to the one or more plenums and one or more ventilation holes.

Abstract: A microclimate system for a vehicle occupant includes multiple microclimate thermal effectors. Each of the microclimate thermal effectors at least partially controls a climate in at least one of multiple occupant zones. Each of the microclimate thermal effectors includes a sensor configured to determine microclimate temperature data corresponding to the zone. A controller includes an input configured to receive vehicle temperature data including cabin temperature and outside air temperature from a vehicle data bus. The controller fuses the microclimate temperature data with the vehicle temperature data and determines an estimated local equivalent temperature for each of the microclimate thermal effectors. The controller further provides a temperature command to each of the microclimate thermal effectors based upon the estimated local equivalent temperature corresponding to the microclimate thermal effector.

Abstract: A blower configured to be positioned in confined spaces and to provide ventilation of a fluid, such as temperature controlled air, is disclosed. In various embodiments, the blower is configured to have a reduced axial thickness, which can be desired in such confined spaces. In some embodiments, the blower has an integral filter, a wire channel for the routing of one or more wires, and/or an exposed backplate. In some embodiments, the blower has a snap-fit circuit board, containment system for mounting the motor, one or more vanes for directing fluid flow, shrouded impeller, and/or integrated connector.

Abstract: An air distribution system that includes a plenum. The plenum has a top layer having one or more top layer corrugations; a bottom layer having one or more bottom layer corrugations; and an open space formed between the top layer and the bottom layer. The one or more top layer corrugations and the one or more bottom layer corrugations are spaced apart and oppose one another, and when the plenum flexes, the one or more top layer corrugations contact the one or more bottom layer corrugations.

Abstract: A climate controlled system comprising: a movable member disposed in a recess of a cushion and forming part of an occupant support surface with the cushion; a heater overlaying the cushion and the movable member, the heater including: a flexible substrate, a heating element, and an adhesive layer, wherein the flexible substrate includes adhesive on opposing longitudinal edge regions and the adhesive directly or indirectly connects the heater to the cushion; and wherein the adhesive layer anchors the heater as the flexible substrate stretches or moves with the movable member as the movable member moves.