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- 600attachment
- 610bung
- 612cone
- 614base of the bung
- 616point of the cone
- 620attachment fluid flow path
- 630attachment fluid inlet
- 640attachment fluid outlet
- 660outer wall of the attachment
- 660aupstream end of the outer wall
- 662ring of magnetic material on the attachment
- 664upstream face
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- 600attachment
- 610bung
- 612cone
- 614base of the bung
- 616point of the cone
- 620attachment fluid flow path
- 630attachment fluid inlet
- 640attachment fluid outlet
- 660outer wall of the attachment
- 660aupstream end of the outer wall
- 662ring of magnetic material on the attachment
- 664upstream face
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- Prior art search(ta=fan OR ta=blower) AND (ta=handle OR ta=housing OR ta=shell) AND (ta="air inlet" OR ta="bottom end" OR ta="rear end" OR ta=noise) AND ic=A45D20 AND pd<=20130705
Electric hairbrush
·EP2335515A1·SEB·2011
The fan, its motor and the heating element sit inside the handle, with the air inlet at one end of the handle and the outlet at the other.
Set aside
Rotary type electric wind comb
·CN202774786U·Ningbo Shunshuai Electrical Appliances·2013
A motor in the handle drives a fan, and air enters through an inlet cover at the end of the handle.
Filed as D1
Hair dryer
·EP0631738A1·Ermila Friseurgeräte·1995
A housing attachment over the fan's intake forms a chamber with a second intake opening, which brings the fan noise down.
Set aside
Hair-dryer
·EP0518035A2·Braun·1992
A filter covers the air inlet, and a sensor in the housing reports the temperature so the dryer can signal when the filter needs cleaning.
Set aside
Effectively-muted electric hair dryer
·CN201328477Y·Quan Hongyun·2009
The blower sits at the bottom end of the handle, so air enters there and runs through the handle into a longer air duct.
Filed as D2
Cylindrical or conical electric hair dryer - has motor driven axial flow fan discharging air coaxially through strip element winding
·DE2618819A1·Dov Z. Glucksman·1977
An axial fan at the rear of the housing draws air in through openings in the end cover, which also carries the cable entry.
Filed as D3
Heated air blower
·EP2567632A1·Panasonic·2013
Separate hot and cold air passages run from one air inlet, and a sensor reads the room temperature to set how much air is heated.
Set aside
Noise reducing structure of hairdryer
·CN202386031U·Yang Ruihong·2012
A ring of sound-absorbing foam lines the air duct between the rear air inlet and the fan.
Set aside
Hair dryer
·EP0487933A2·Braun·1992
A perforated rotor in the air channel is spun by the fan's air flow, with a fixed baffle beside it shaping the air leaving the outlet.
Set aside
Hair dryer
·JPS6429208A·Matsushita Electric Works·1989
A two-layer noise damping sheet lines the air passage in the housing, so noise drops without losing air volume.
Set aside
Page 1 of 191–10 of 182 families - Claim drafting
- 1.
A hair care appliance (10, 500) comprising: a body (30, 530); a handle (20, 520) having a first end (22, 522) in fluid communication with the body (30, 530) and a second end (24) comprising a primary fluid inlet (40, 540) into the appliance; wherein the primary fluid inlet (40, 540) comprises a first aperture (42, 544) extending at least partially around the handle (20, 520) and a second aperture (44, 546) extending through the second end (24) of the handle (20, 520); wherein the handle (20, 520) comprises a wall (220, 560) and the primary fluid flow path extends from the primary fluid inlet (40, 540) within the wall (220, 560) to a primary fluid outlet (440); the handle (20, 520) further comprises a fan unit (70) for drawing fluid in through the primary fluid inlet (40, 540); the handle (20, 520) comprises an outer wall (200, 526) wherein said outer wall (200, 526) extends around the wall (220, 560) and at least partially
along the wall (220, 560)along the wall (220, 560); characterised in that the wall (220, 560) comprises an access aperture for allowing an access to the inside of the wall (220, 560) and a hatch for closing the access aperture. - 2.
An appliance according to claim 1, wherein the handle comprises an end wall (210, 510) at the second end and the second aperture extends through the end wall.
- 3.
An appliance according to claim 1 or claim 2, wherein the first aperture (42, 544) is adjacent the second end of the handle.
- 4.
An appliance according to any preceding claim, wherein the first aperture (42, 544) comprises a plurality of apertures extending at least partially around the handle.
- 5.
An appliance according to any preceding claim, wherein the first aperture (42, 544) comprises a plurality of apertures extending at least partially along the handle.
- 6.
An appliance according to any preceding claim, wherein the plurality of apertures extend radially around the handle and along the outer wall (200, 526) of the handle from the handle end.
- 7.
An appliance according to any preceding claim, wherein a primary fluid flow path (400, 550) is provided from the primary fluid inlet (40, 540) through the handle and into the body to a primary fluid outlet (440, 534).
- 8.
An appliance according to any preceding claim, wherein the wall (220, 560) of the handle is connected to the body at the first end (22, 522).
- 1.
- Figure drafting
- 600attachment
- 610bung
- 612cone
- 614base of the bung
- 616point of the cone
- 620attachment fluid flow path
- 630attachment fluid inlet
- 640attachment fluid outlet
- 660outer wall of the attachment
- 660aupstream end of the outer wall
- 662ring of magnetic material on the attachment
- 664upstream face
- Application drafting
The present invention relates to a hand held appliance, and in particular to a hair care appliance such as a hairdryer (10) comprising a body (30) and a handle (20), in which air is drawn into the appliance through a primary fluid inlet (40) at the second end (24) of the handle (20), as shown in Fig. 4a.
In a conventional hairdryer a motor and fan draw air into the body through an inlet at its back end, usually behind a filter. When the appliance is put down on a soft surface such as bedding, that inlet can be covered and the motor can overheat.
CN 202774786 U describes a rotary electric air comb whose handle houses a motor driving a fan, with an air inlet cover at the end of the handle. In CN 201328477 Y the blower of a hairdryer sits at the bottom end of the handle, so that air enters there and passes through the handle into a longer air duct. DE 2618819 A1 describes a cylindrical hairdryer in which an axial fan at the rear of the housing draws air in through openings in an end cover that also carries the cable entry.
Each of these appliances draws air in at the end of the handle or housing, with the fan behind that inlet. The handle then houses the fan unit (70) and its wiring, and in a conventional clam shell construction its two halves are screwed together, so that a user can remove the screws and reach the heater and the fan unit.
There is therefore a need for a handle whose inner wall (220) can be formed in one piece with the body (30), while the components inside it remain accessible during assembly through an opening that can be closed.
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Learn more(ta="hair care appliance" OR ta=hairdryer)AND(ta="flow plate" OR ta=baffle)AND(ta="fluid inlet" OR ta="air inlet")AND(ta=PCB OR ta="circuit board")AND(cpc=A45D20/10 OR cpc=A45D20/12)ANDpd<=2013NOT(ta=paint OR ta=stripping)- 40queries / min
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Learn more- a body (30, 530)
- a handle (20, 520) having a first end (22, 522) in fluid communication with the body (30, 530) and a second end (24) comprising a primary fluid inlet (40, 540) into the appliance
- wherein the primary fluid inlet (40, 540) comprises a first aperture (42, 544) extending at least partially around the handle (20, 520) and a second aperture (44, 546) extending through the second end (24) of the handle (20, 520)
- wherein the handle (20, 520) comprises a wall (220, 560) and the primary fluid flow path extends from the primary fluid inlet (40, 540) within the wall (220, 560) to a primary fluid outlet (440)
- the handle (20, 520) further comprises a fan unit (70) for drawing fluid in through the primary fluid inlet (40, 540)
- the handle (20, 520) comprises an outer wall (200, 526) wherein said outer wall (200, 526) extends around the wall (220, 560) and at least partially along the wall (220, 560)along the wall (220, 560); characterised in that the wall (220, 560) comprises an access aperture for allowing an access to the inside of the wall (220, 560) and a hatch for closing the access apertureAccept suggestionReject suggestionAdd claim belowAdd dependent claimFocus on chainAsk assistantCopy claim textShow parsed resultDelete claim
Staged an amendment to claim 1 for your review
D1 and D2 each put the fan in the handle and draw air in at its end, as claim 1 does.
The access aperture in the wall (220, 560) and the hatch that closes it, shown in FIG. 6, now form the characterising part. None of the three abstracts mentions a closable opening in the handle wall.
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Learn more- 20handle
- 30body
- 40primary fluid inlet
- 50cable
- 62first set of control buttons
- 64second set of control buttons
- 200outer wall of the handle
- 220inner wall of the handle
- 222access hatch
- 224access hole
- 310duct
- 320fluid inlet of the body
- 340fluid outlet
- 350side wall
- 360outer wall of the body
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