Abstract: An evaporator evaporates a working fluid by heat from a battery. The evaporator includes at least one evaporation channel connected to the battery in a thermally conductive manner. The evaporator includes a supply channel connected to an upstream end of the evaporation channel, and supplies the working fluid in liquid phase from the supply channel to the evaporation channel. The evaporator includes an outflow channel connected with a downstream end of the evaporation channel, and discharges the working fluid. The outflow channel is disposed above the supply channel, and the supply channel is disposed at a position more insulated from the heat of the battery than the evaporation channel is.

Abstract: A thermosiphon applied to a moving body includes a condenser and a plurality of coolers. Each of the plurality of coolers includes a first flow channel forming member, a second flow channel forming member, and a third flow channel forming member. The second flow channel forming member defines a refrigerant inlet that is located below a center portion of a supply flow channel defined by the first flow channel forming member in a vertical direction. The plurality of coolers are arranged along a traveling direction of the moving body and the supply flow channel is fluidly connected in series with each other.

Abstract: A refrigeration cycle device includes: a high-pressure side heat exchanger; a low-pressure side heat exchanger; a vehicle-mounted device that supplies heat to the heat medium; a heat-medium air heat exchanger that exchanges heat between the heat medium and air; a switching portion that switches between a state in which the heat medium circulates through the high-pressure side heat exchanger and a state in which the heat medium circulates through the low-pressure side heat exchanger with respect to each of the vehicle-mounted device and the heat-medium air heat exchanger; and a controller that drives the compressor, while controlling an operation of the switching portion to switch to a defrosting mode in which the heat medium circulates between the low-pressure side heat exchanger and the vehicle-mounted device, and the heat medium circulates between the high-pressure side heat exchanger and the heat-medium air heat exchanger, when defrosting of the heat-medium air heat exchanger is necessary.

Abstract: An air conditioning system has a heat pump, a first-liquid-medium circuit in which a first liquid medium circulates, a second-liquid-medium circuit in which a second liquid medium circulates, a heat source, a connection switching device, and a controller. The connection switching device switches between a connection state in which the heat source is connected to the second-liquid-medium circuit and a disconnection state in which the heat source is disconnected from the second-liquid-medium circuit. The controller controls the connection switching device to switch between the connection state and the disconnection state based on a heat-related physical quantity relating to a heat of the first-liquid-medium circuit, a heat-related physical quantity a heat of the second-liquid-medium circuit, a heat-related physical quantity the heat generated by the heat source, or a heat-related physical quantity a heat of the heat pump.

Abstract: A thermal management device includes two or more heat dissipation devices that dissipate heat into a heat medium, a heat medium-air heat exchanger that exchanges heat between air and the heat medium having its heat dissipated in the two or more heat dissipation devices, a flow-rate adjustment device that adjusts a flow rate of the heat medium flowing through the heat dissipation device, and a control unit. The control unit controls an operation of the flow-rate adjustment device to increase the flow rate of the heat medium flowing through the one heat dissipation device, if the control unit estimates an increase in the amount of heat dissipation into the heat medium at the one heat dissipation device of the two or more heat dissipation devices.

Abstract: A device heat exchanger is capable of exchanging heat between a target device and a working fluid. A condenser may be disposed above the device heat exchanger in the gravitational direction, a gas phase passage communicates the condenser with an upper connection portion of the device heat exchanger, and a liquid phase passage communicates the condenser with a lower connection portion of the device heat exchanger. A fluid passage communicates the upper connection portion of the device heat exchanger with the lower connection portion of the device heat exchanger, without including the condenser on a route of the fluid passage. A heating portion is capable of heating the liquid-phase working fluid flowing through the fluid passage, and a controller operates the heating portion when heating the target device and stops an operation of the heating portion when cooling the target device.

Abstract: Provided are an illumination device and a display apparatus capable of reducing generation of an interference pattern, while achieving downsizing and enhancing light use efficiency. An illumination device includes: a light source section that includes a laser light source; an optical device disposed on a light path through which laser light from the laser light source travels; an optical member that outputs illumination light; and a driving section that displaces a relative position between the optical device and the optical member to vary at least one of an incidence position and an incidence angle, in an incidence surface of the optical member, of the laser light.

Abstract: An illuminating unit of the disclosure includes a light source, a plurality of optical members for illumination that guide light from the light source to a predetermined optical path, and a polarization split element that transfers, to a predetermined illuminating position, a first polarized component included in the light guided to the predetermined optical path. One or more of the plurality of optical members for illumination have optical properties, for the light at a predetermined wavelength band outputted from the light source, of guiding the first polarized component to the predetermined optical path, and guiding a second polarized component that is different from the first polarized component toward a direction deviated from the predetermined optical path.

Abstract: A projection display unit includes: an illumination optical system including one or more light sources; a reflective liquid crystal device that generates image light by modulating light from the illumination optical system, based on an input image signal; a polarizing beam splitter disposed on an optical path between the illumination optical system and the reflective liquid crystal device; a polarization compensation device disposed on an optical path between the polarizing beam splitter and the reflective liquid crystal device, and the polarization compensation device that provides a phase difference to light incident thereon to change a polarization state of the light; and a projection optical system that projects image light generated by the reflective liquid crystal device and then being incident thereon through an optical path, the optical path passing through the polarization compensation device and the polarizing beam splitter.

Abstract: A projection display apparatus includes a light valve that modulates illuminating light on the basis of image data to output the modulated light, an illuminating unit including a light source, and a plurality of optical members for illumination that generate the illuminating light on the basis of light from the light source to guide the illuminating light to the light valve, a projection lens that projects the modulated light from the light valve on a projection surface, and allows detection light to enter from a direction opposite to a travelling direction of the modulated light, and an imaging device that is disposed at a location optically conjugated with the light valve, and allows the detection light to enter through the projection lens. The plurality of optical members for illumination have optical property of reducing a noise component that affects the detection light and arises inside the illuminating unit.

Abstract: An illumination device includes a light source section, an optical element, and a driver. The light source section includes a laser light source. The optical element includes a periodic structure, and is disposed in an optical path of light emitted from the light source section. The driver vibrates the optical element to cause a vibration direction to be inclined to a periodic direction of the periodic structure of the optical element.

Abstract: A projection display unit includes: an illumination optical system including one or more light sources; a reflective liquid crystal device that generates image light by modulating light from the illumination optical system, based on an input image signal; a polarizing beam splitter disposed on an optical path between the illumination optical system and the reflective liquid crystal device; a polarization compensation device disposed on an optical path between the polarizing beam splitter and the reflective liquid crystal device, and the polarization compensation device that provides a phase difference to light incident thereon to change a polarization state of the light; and a projection optical system that projects image light generated by the reflective liquid crystal device and then being incident thereon through an optical path, the optical path passing through the polarization compensation device and the polarizing beam splitter.

Abstract: A vehicular heat management device includes a first heat source, a second heat source, a first heat generator, a second heat generator, a heat generator pathway, a first heat source pathway, a second heat source pathway, and a switching portion. The first heat source and the second heat source heat a heat medium. The first heat generator generates heat according to operation. The second heat generator generates heat according to operation. The first heat generator and the second heat generator are provided in the heat generator pathway. The first heat generator is provided in the first heat generator pathway. The second heat generator is provided in the second heat generator pathway. The switching portion switches between a condition where the heat generator pathway is in flowing communication with the first heat generator pathway and a condition where the heat generator pathway is in flowing communication with the second heat generator pathway.

Abstract: An air conditioner includes: a heat-medium air heat exchanger that exchanges sensible heat between a heat medium having a temperature adjusted by the heat-medium temperature adjuster and ventilation air blowing to a space to be air-conditioned; a heat transfer portion having a flow path through which the heat medium circulates to transfer heat with the heat medium having the temperature adjusted by the heat-medium temperature adjuster; a large-inner-diameter pipe that forms a heat-medium flow path between the heat-medium temperature adjuster and the heat transfer portion; and a small-inner-diameter pipe that forms a heat-medium flow path between the heat-medium temperature adjuster and the heat-medium air heat exchanger. The small-inner-diameter pipe has small inner diameters ?H and ?C, compared to the large-inner-diameter pipe.

Abstract: An illuminating unit of the disclosure includes a light source, a plurality of optical members for illumination that guide light from the light source to a predetermined optical path, and a polarization split element that transfers, to a predetermined illuminating position, a first polarized component included in the light guided to the predetermined optical path. One or more of the plurality of optical members for illumination have optical properties, for the light at a predetermined wavelength band outputted from the light source, of guiding the first polarized component to the predetermined optical path, and guiding a second polarized component that is different from the first polarized component toward a direction deviated from the predetermined optical path.

Abstract: A vehicle thermal management system includes a switching portion that switches between a state in which a heat medium circulates through a heat-medium cooling heat exchanger and a state in which the heat medium circulates through a heat-medium heating heat exchanger with respect to each of an engine heat-transfer portion and a heat-generating device, a flow-rate adjustment portion that adjusts the flow rate of the heat medium for each of a heat-medium outside-air heat exchanger and the engine heat-transfer portion, an air-conditioning requesting portion that makes a cooling request for an air cooling heat exchanger to cool the ventilation air as well as a heating request for an air heating heat exchanger to heat the ventilation air, and a controller that controls an operation of at least one of the switching portion, a compressor, and the flow-rate adjustment portion based on presence/absence of the cooling request and presence/absence of the heating request from the air-conditioning requesting portion.

Abstract: A projection display apparatus of the disclosure includes: a light valve (21) that modulates illuminating light (L1) on the basis of image data to output the modulated light; an illuminating unit (1) including a light source, and a plurality of optical members for illumination that generate the illuminating light (L1) on the basis of light from the light source to guide the illuminating light (L1) to the light valve (21); a projection lens (24) that projects the modulated light from the light valve (21) on a projection surface (30A), and allows detection light to enter from a direction opposite to a travelling direction of the modulated light; and an imaging device (22) that is disposed at a location optically conjugated with the light valve (21), and allows the detection light to enter through the projection lens. One or more of the plurality of optical members for illumination have optical property of reducing a noise component that affects the detection light and arises inside the illuminating unit (1).

Abstract: A first thermosiphon circuit includes a first evaporator configured to cool a first target device by a latent heat of evaporation of a working fluid that absorbs a heat from the first target device, and a first passage communicating with the first evaporator. A second thermosiphon circuit includes a second evaporator configured to cool a second target device by a latent heat of evaporation of a working fluid that absorbs a heat from the second target device, and a second passage communicating with the second evaporator. A main condenser includes a first heat exchanger provided in the first passage and a second heat exchanger provided in the second passage, and is configured to allow the working fluid flowing through the first heat exchanger, the working fluid flowing through the second heat exchanger, and a predetermined cold energy supply medium to exchange heat with each other.

Abstract: A device temperature controller includes a heat absorber that absorbs heat from a temperature control target device to evaporate working fluid in liquid phase, and a condenser disposed above the heat absorber to condense the working fluid which has been evaporated into gas phase at the heat absorber. The device temperature controller includes a gas passage portion that guides the working fluid which has been evaporated into gas phase at the heat absorber to the condenser, and a liquid passage portion that guides the working fluid which has been condensed into liquid phase at the condenser to the heat absorber. At least a part of the gas passage portion and at least a part of the liquid passage portion are in contact with each other.

Abstract: An evaporator includes a fluid chamber in which a working fluid flows. A condenser includes a gas-phase portion in which the working fluid evaporated in the evaporator flows and a liquid-phase portion in which the working fluid from the gas-phase portion, condensed by heat exchange with an external medium, flows. A gas-phase passage causes the working fluid evaporated in the evaporator to flow to the condenser. A liquid-phase passage causes the working fluid condensed in the condenser to flow to the evaporator. A bypass passage has one end connected to the liquid-phase portion of the condenser or the liquid-phase passage and another end connected to the gas-phase portion of the condenser or the gas-phase passage. A flow rate of a liquid-phase working fluid per unit volume in the bypass passage is smaller than a flow rate of a liquid-phase working fluid per unit volume in the liquid-phase portion of the condenser or the liquid-phase passage.