GB2589547A - Air heating device - Google Patents

Air heating device Download PDF

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Publication number
GB2589547A
GB2589547A GB1913368.5A GB201913368A GB2589547A GB 2589547 A GB2589547 A GB 2589547A GB 201913368 A GB201913368 A GB 201913368A GB 2589547 A GB2589547 A GB 2589547A
Authority
GB
United Kingdom
Prior art keywords
battery
heating device
portable electric
air heating
electric air
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
GB1913368.5A
Other versions
GB201913368D0 (en
Inventor
Richard Bullen Nigel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to GB1913368.5A priority Critical patent/GB2589547A/en
Publication of GB201913368D0 publication Critical patent/GB201913368D0/en
Publication of GB2589547A publication Critical patent/GB2589547A/en
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/0025—Heating, cooling or ventilating [HVAC] devices the devices being independent of the vehicle
    • B60H1/00264—Transportable devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00—Air heaters
    • F24H3/02—Air heaters with forced circulation
    • F24H3/022—Air heaters with forced circulation using electric energy supply
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
    • B60H1/2215—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters
    • B60H1/2225—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters arrangements of electric heaters for heating air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00—Air heaters
    • F24H3/02—Air heaters with forced circulation
    • F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
    • F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
    • F24H3/0411—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between for domestic or space-heating systems
    • F24H3/0417—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between for domestic or space-heating systems portable or mobile
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00—Air heaters
    • F24H3/02—Air heaters with forced circulation
    • F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
    • F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
    • F24H3/0429—For vehicles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00—Air heaters
    • F24H3/02—Air heaters with forced circulation
    • F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
    • F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
    • F24H3/0429—For vehicles
    • F24H3/0452—Frame constructions
    • F24H3/0482—Frames with integrated fan
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/02—Casings; Cover lids; Ornamental panels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H2240/00—Fluid heaters having electrical generators
    • F24H2240/01—Batteries, electrical energy storage device

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

A portable electric heater suitable for use in a vehicle interior, comprising a battery (100, Fig. 4) powering an electric heating device 300 and a fan 400. The device is intended to heat a vehicle interior and defrost windows/windscreen. The battery may be removeable, rechargeable and portable. The device may include a thermostat to disconnect the circuit at high temperature. The battery may be secured by a latch. The device may have an on-off switch, a remote-control switch, and a remote-control timer. The device may have size and weight suitable for resting on a vehicle seat or dashboard. The device may comprise a cowl to direct air. The Device may have a separate heating element comprising a thermal storage element. A method of recharging the battery is disclosed.

Description

Air Heating Device
Field of the Invention
This invention relates generally to electric heaters, and more particularly to portable 10 electric heaters which warm air.
Background **** * * *
** * The present invention relates to portable electric heaters to provide heated air, and * * 15 more closely relates to means to heat the interior of vehicles such as cars and **** boats.
* * * ** * * Previous portable electric heaters either were primarily of two types. Either they required an electric cord to be plugged into the mains or they drew on the energy 20 stored in a heavy vehicle battery.
*** Prior Art
* GB Patent Number G80907790 provides a defrost system for a vehicle windscreen has an infra red lamp, a reflector and mounting means. In an embodiment, the lamp has an end arranged to emit infra red light and a base distal from the light emitting end. The mounting means is arranged to support the lamp substantially co-axially with the reflector which at least partly surrounds the lamp and is arranged to direct the infra red light towards the windscreen from a top end of the reflector. A passageway formed between the lamp and the reflector is arranged to guide air from the base of the lamp and between the reflector and the light emitting end of the lamp so as to direct it towards the windscreen. * ** * * * * ** *
GB patent number 2412725 describes a remotely operated vehicle windscreen defrosting device. It comprises a heating element and a fan mounted in a housing and heated air is blown out of the housing via an air egress onto the windscreen. 5 The device may include a timer so that the heater may operate automatically approximately 15 to 20 minutes before a driver plans to use the vehicle. The device may be located on a mounting and positioned on a dashboard and may be powered by plugging a lead into a cigarette lighter port or its own rechargeable battery. The battery may be charged from the vehicle electrical system via the cigarette lighter 10 port, a solar panel mounted on the housing, or the device may be taken into a house or office and the battery charged by plugging it into a plug socket.
004.0 The present invention overcomes the limitations found in the prior art. * * * *0 * *
* 15 Summary of the Invention
* * * 00 * According to a first aspect, the present invention provides a portable electric air heating device, a holdfast (200) adapted to retain a battery, a battery (100) which in * .. * * *
* * * use is retained by the holdfast, a device warmed by electricity (300), a fan (400), * * 20 and an electric contact (500) which electrically connects the battery to a circuit that includes the fan, and the device warmed by electricity.
When operating, the portable electric air heating device heats air by the fan drawing air over the device warmed by electricity.
In a preferred embodiment, the battery is removable from the holdfast. Ideally the battery can be removed easily by a light effort that can be applied by a person's hand. A releasable latch and latch holder (700) are built into the holdfast and battery restrain the battery from movement in the compartment.
Preferably the battery is easily portable and preferably the battery is rechargeable.
S
The battery is adapted to be charged by an electric battery recharger. It is intended for the electric battery charger to be the type that plugs in to an electric mains outlet. The mains outlet may be in a garage, other room of a building, or anywhere an electric mains outlet is available. Advantageously the electric power to charge the battery does not need to come from a vehicle battery. Therefore the portable electric air heating device may be used to heat the air in a vehicle such an automobile or boat without turning on the vehicle and without draining the vehicle battery.
In one embodiment the device warmed by electricity is a heating coil powered by electricity from the battery. The coil operates as a resistive heating element.
**** In one embodiment the portable electric air heating device comprises a thermostat. * * * * * *
When the battery is in the holdfast, the thermostat connects the battery to the circuit * * 15 when the ambient air temperature is below a predetermined temperature. When the **** * * * ambient air temperature is above a predetermined temperature, the thermostat ** * * * disconnects the battery from the circuit * * * In a preferred embodiment the portable electric air heating device has the external 20 appearance of a vehicle wheel.
* * * The invention includes a method of heating a vehicle interior including the steps of charging a portable rechargeable battery from a battery charger receiving power from a power supply external to a vehicle, removing the portable rechargeable * * * 25 battery from the battery charger, placing the portable rechargeable battery into a portable electric air heating device, placing the portable electric air heating device into the vehicle, turning on the portable electric air heating device, warming the air inside the vehicle, warming the vehicle interior upholstery with the warm air inside the vehicle, warming the vehicle windows with the air inside the vehicle, turning off * 30 the portable electric air heating device, removing the portable rechargeable battery from the portable electric air heating device, and recharging the portable rechargeable battery in the battery charger. * *
According to a second aspect, the present invention provides a portable electric air heating device, comprising: a holdfast (200) adapted to retain an energy storage device which in use is retained by the holdfast, the energy storage device comprises a thermal storage element and a battery, a fan (400), and an electric contact (500) which electrically connects the battery to a circuit that includes the fan, and the device warmed by electricity.
When operating, the portable electric air heating device heats air by the fan drawing 10 or blowing air over the thermal storage element.
In a preferred embodiment, the energy storage device is removable from the **** holdfast. Ideally the energy storage device can be removed easily by a light effort * . * * . * that can be applied by a person's hand. A releasable latch and latch holder (700) * * 15 are built into the holdfast and energy storage device which restrain the battery from * . * * * * movement in the compartment. * * * * * *** *
* ** Preferably the energy storage device is easily portable and preferably the energy storage device is rechargeable. * * * * ** zu * *
The battery in the energy storage device is adapted to be charged by an electric battery recharger. It is intended for the electric battery charger to be the type that plugs in to an electric mains outlet.
Advantageously the electric power to charge the thermal storage unit does not need to come from a vehicle battery. Therefore the portable electric air heating device may be used to heat the air in a vehicle such an automobile or boat without turning on the vehicle and without draining the vehicle battery.
The thermal storage unit comprises an electric heating means to heat it utilizing electrical power. This means may be an electric resistance heater, an induction heater, or other means. The thermal storage unit also comprises a warming grid. Preferably the warming grid includes a grate, fins, or other structure which transfers heat readily to air. Preferably the material that the warming grid is made from has a high thermal heat capacity so that it can store a large amount of thermal energy.
The warming grid is heated by the electric heating means. The energy storage device comprises a thermal storage unit and an insulated holder to enable a user to carry the energy storage device when the thermal storage device has been heated. It is intended for the thermal storage unit to be heated by electricity from a plug connected to an electric mains unit.
In one embodiment the portable electric air heating device comprises a thermostat. When the thermal storage unit is in the holdfast, the thermostat connects the battery **** to the circuit when the ambient air temperature is below a predetermined * * * * * * temperature. When the ambient air temperature is above a predetermined * * 15 temperature, the thermostat disconnects the battery from the circuit.
* ** * The portable electric air heating device finds application in warming the interior of vehicles such as automobiles and lorries. It also finds use in warming the interior of boats and yachts. It is useful for warming sheds or other moms.
* * * ** * * * * * * * * * * * 20 Preferably the shape and weight distribution of the portable electric heating device is adapted and configured so that when in use the portable electric air healing device rests on a seat in a vehicle it directs warm air on the windscreen. In an alternative and also preferable embodiment, the portable electric heating device is adapted and configured so that in use it can rest on a vehicle dashboard and direct warm air to the windscreen. Advantageously the portable electric device can defrost the window.
Preferably the circuit in the portable electric heating device comprises a switch. This 30 switch allows a user to switch on the device warmed by electricity and the fan simultaneously. In one embodiment the switch is a remote control switch. This remote control switch is operable by a remote control.
*.. * ** * 5 10 15 20 25 30 * .. * * * * .. * ** .. * * * * * * * In one embodiment the portable electric heating device comprises a timer that can be set, started, and stopped by a user. The timer operates the switch, and therefore the timer operates the device warmed by electricity and the fan.
In one embodiment the portable electric heating device comprises a cowl that covers a portion of the circumference of the fan and directs air warmed by the device warmed by electricity and blown by the fan. Advantageously the cowl directs warm air onto the windshield when the portable electric heating device is in its resting position on the vehicle seat, or vehide dashboard, or other advantageous position in the vehicle.
The invention includes a method of heating a vehicle interior including the steps of charging an energy storage device from a mains power supply which supplies electric power to heat the thermal storage unit and from a battery charger receiving power from a power supply external to a vehicle, removing the thermal storage unit from the electrical power supply and battery charger, placing the portable thermal storage unit into a portable electric air heating device, placing the portable electric air heating device into the vehicle, turning on the portable electric air heating device, warming the air inside the vehicle, warming the vehicle interior upholstery with the warm air inside the vehicle, warming the vehicle windows with the air inside the vehicle, turning off the portable electric air heating device, removing the portable rechargeable battery from the portable electric air heating device, and recharging and reheating the energy storage device with electricity from a mains power supply.
Embodiments of the present invention will now be described by way of example only, by reference to the following drawings, in which:-
Brief Description of the Figures
Figure 1 is an exemplary three dimensional view of a portable electric air heating device according to the invention.
**** Figure 2 is an alternative three dimensional view of a cowl of a portable electric air heating device according to the invention.
* * * 5 Figure 3 is a three dimensional view showing the holdfast in the form of a compartment at the back of the portable electric air heating device.
** * Figure 4 is a portable battery with a latch for it to be retained in the holdfast. 10 Figure 5 shows the portable electric air heating device on a vehicle seat.
Figure 6 shows an exploded view of the parts in portable electric air heating device.
Detailed Description of Preferred Embodiments of the Invention An exemplary embodiments of the invention will now be described in detail. * * **** * * * ** * * *** *
Referring to the Figures, there is shown in Figure 1 a portable electric heating * * * * * * * * * device with a fan 400 surrounded by a cowl 900. A heating coil 300 is visible behind * * 20 the cowl. The fan draws air past the heating coil which warms the air.
Figure 2 shows another view of the portable electric heating device. The thermostat 600 is shown on the bottom of the cowl. The thermostat operates the switch in the circuit which turns the fan and electric heat coil on an off.
Figure 3 shows the aft side of the portable electric heating device. The holdfast 200 is shown as a compartment. There is a latch holder 700 to grasp a latch on the portable rechargeable battery 100. In use the portable recharge battery is retained in the compartment. Electrical contacts 500 are attached to the compartment. In use these contacts touch the battery terminals so that electricity can be transmitted to the fan and the electric heating coils. An electrical switch 800 on the aft side of the portable electric heating device turns the fan and electric heater on and off.
Figure 4 shows the portable and rechargeable battery 100 removed from the compartment. A latch 701 on the battery 100 is used to retain the battery in compartment 200.
Figure 5 shows the portable electric heating device on car seat. In this position it can blow hot air onto the car windscreen.
An exploded view showing the components of the portable electric heating device is given in Figure 6. The fan 400 (which includes the blades and motor) fits inside the coil 900. There is an electric heating element 300 which can be either in front of or behind the fan. A protective screen 1100 prevents a person from touching the fan or the electric heating element. Behind the fan is motor housing which holds the fan motor. The fan motor housing is attached to a base plate 1300. The battery compartment 200 is also attached to the base plate 1300. The base plate is attached to back of the cowl 900.
In a preferred embodiment the portable electric air heating device has the external appearance of a vehicle wheel.
The invention has been described by way of examples only. Variations may be made to them without departing from the scope of the invention. Likewise it is understood that several embodiments, with modifications and alternatives have been described. Further embodiments will be apparent to those skilled in the art whom have read and understood this description. All such embodiments and modifications are intended to fall within the scope of the present invention as defined in the accompanying daims. **** * * * * * * * * * *** *
* * ** * a *** * * * * * * * * * The invention is made clear and further explained in the appended claims.

Claims (15)

  1. Claims: 1. A portable electric air heating device adapted to warm a vehicle interior, comprising: a holdfast (200) adapted to retain a battery, a battery (100) which in use is retained by the holdfast, a device warmed by electricity (300), a fan (400), and an electric contact (500) which electrically connects the battery to a circuit that includes the fan, and the device warmed by electricity.
  2. **** 102. A portable electric air heating device according to claim 1 wherein the battery is removable from the holdfast.
  3. 3. A portable electric air heating device according to claims 1 and 2 wherein the battery* * is portable. SID * *
  4. 4. A portable electric air heating device according to any preceding claim wherein the *** * * * ** * battery is rechargeable. * *
  5. ** 5. A portable electric air heating device according to any preceding claim comprising a 20 thermostat (600) which disconnects the battery from the circuit for ambient air above a predetermined temperature.
  6. * * 6. A portable electric air heating device according to any preceding claim wherein the holdfast and battery comprise a releasable latch (700) which restrains the battery 25 from movement in the compartment.
  7. * ** 7. A portable electric air healing device according to any preceding claim wherein the circuit comprises an on-off switch.
  8. 8. A portable electric air healing device according to any preceding claim wherein the circuit comprises a remote control switch (800) operable by a remote control. * *
  9. 9. A portable electric air heating device according to any preceding claim wherein the circuit comprises a remote control switch operable by a timer that can be set, started, and stopped by a user.
  10. 10. A portable electric air heating device according to any preceding claim wherein the shape and weight distribution is adapted and configured so that when in use the portable electric air heating device rests on a seat in the vehicle it directs warm air on the windscreen.
  11. 11. A portable electric air heating device according to any preceding claim wherein the shape and weight distribution is adapted and configured so that the portable electric air heating device in use rests on the vehide dashboard and directs warm air onto the windshield.
  12. 12. A portable electric air heating device according to claims 10 and 11 comprising a * * * cowl covering a portion of the circumference of the fan, which directs warmed air **** * * * from the fan. 00 *
  13. * 13. A portable electric air heating device according to any preceding claim wherein *** 20 there the external appearance is that of a vehicle wheel. * * ** * * * * *el *
  14. * 14. A portable electric air heating device, comprising: a holdfast (200) adapted to retain an energy storage device which in use is retained by the holdfast, the energy storage device comprises a thermal storage element and a battery, a fan (400), and an electric contact (500) which electrically connects the battery to a circuit that includes the fan, and the device warmed by electricity.
  15. 15. A method of heating a vehicle interior including the steps of charging a portable rechargeable battery from a battery charger receiving power from a power supply external to a vehicle, removing the portable rechargeable battery from the battery charger, placing the portable rechargeable battery into a portable electric air heating device, placing the portable electric air heating device into the vehicle, turning on the portable electric air heating device, warming the air inside the 0 * e* * * * * * vehicle, warming the vehicle interior upholstery with the warm air inside the vehicle, warming the vehicle windows with the air inside the vehicle, turning off the portable electric air heating device, removing the portable rechargeable battery from the portable electric air heating device, and recharging the portable rechargeable battery in the battery charger.* * * * * * * * * * * * * * * * * ** * * * * * * * * op * * * *
GB1913368.5A 2019-09-16 2019-09-16 Air heating device Withdrawn GB2589547A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1913368.5A GB2589547A (en) 2019-09-16 2019-09-16 Air heating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1913368.5A GB2589547A (en) 2019-09-16 2019-09-16 Air heating device

Publications (2)

Publication Number Publication Date
GB201913368D0 GB201913368D0 (en) 2019-10-30
GB2589547A true GB2589547A (en) 2021-06-09

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ID=68315207

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1913368.5A Withdrawn GB2589547A (en) 2019-09-16 2019-09-16 Air heating device

Country Status (1)

Country Link
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988004248A1 (en) * 1986-12-04 1988-06-16 Martinez Jose Window defroster
US5025130A (en) * 1989-12-11 1991-06-18 Slone Michael D Vehicle heating device
DE202004004695U1 (en) * 2004-03-25 2004-06-03 Hess, Axel Portable electric fan heater for e.g. de-icing vehicle, comprises casing holding accumulator and fan heater, which is removed and mounted on casing
US9599367B1 (en) * 2003-10-01 2017-03-21 Carline Curry Portable battery operated heater

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988004248A1 (en) * 1986-12-04 1988-06-16 Martinez Jose Window defroster
US5025130A (en) * 1989-12-11 1991-06-18 Slone Michael D Vehicle heating device
US9599367B1 (en) * 2003-10-01 2017-03-21 Carline Curry Portable battery operated heater
DE202004004695U1 (en) * 2004-03-25 2004-06-03 Hess, Axel Portable electric fan heater for e.g. de-icing vehicle, comprises casing holding accumulator and fan heater, which is removed and mounted on casing

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