BRPI0804541A2 - improvements made to electric hair dryer with noise reducer and noise reducer - Google Patents

Abstract

An innovative electric hair dryer model with a noise-reducing element, which can be incorporated into a hair dryer or, as a rule, used as an accessory element, properly fitted to the rear face or air inlet of the equipment, being said hair dryer notably developed to promote greater acoustic comfort to the user, because it is conformed by sound-absorbent material and has physical conformation that allows the breakage of sound waves, substantially minimizing the noise produced by the dryer of hair.

Description

"IMPROVEMENTS INTRODUCEDINCE ELECTRIC HAIR DRYER WITH NOISE REDUCER AND NOISE REDUCER".

TECHNICAL FIELD

Treats this request for

Patent for an innovative model of electric hair dryer with a noise-reducing element which can be incorporated into a hair dryer and an accessory noise-reducing element suitably fitted to the rear or air inlet of the apparatus, said hair dryer noticeably developed to promote greater acoustic comfort to the user, minimizing the noise emitted by the demotor and turbine set, and said noise reducer is made of sound-absorbing material and has physical conformation that allows the sound waves to break, substantially minimizing the noise produced by the hair dryer.

TECHNICAL BACKGROUNDS

As is well known to the public, the consumer market is supplied by a multitude of hair dryer models, most of which emit very high noise, from their turbines, engine, propellers, etc.

It is known that drying the hair is not an easy task to perform alone, because correctly direct the jet of air, and have to spend several minutes with arms raised holding the appliance and straightening, straightening the hair.

According to a survey done through the internet, companies performed a series of specialized tests (PRO TEST Magazine No. 15, Jun / 03) and according to the survey, all the analyzed dryers showed very high noise levels.

The noise pollution emitted by the evaluated dryers was at levels above the acceptable levels according to Brazilian standards (ABNT) and international health standards - which would be at most 50 decibels.

All devices have levels above 77 decibels, so it is possible that anyone with hearing problems will be exposed frequently and for a long time to this noise emitted by hair dryers in the consumer market.

BRIEF DESCRIPTION OF OBJECT

Thinking of these drawbacks and interested in providing improvements to the consumer market, the inventor, after numerous researches has created and developed these "PERFORMANCE INTRODUCED IN NOISE REDUCER AND NOISE REDUCER", which should position themselves among their similar and previous ones. The consumer market by presenting an electric hair dryer with a noise-reducing device or even being used as an accessory element fitting next to the back or air flow inlet of the hair dryer, being a device, notably designed to promote greater acoustic comfort. the user, by minimizing the noise coming from the motor and turbine assembly, present in the hair dryer, thus, the reduced reduction element is made up of sound absorbing material and physical configuration that allows the sound waves to break, substantially minimizing the noise by the hair dryer.

The styled hair dryer provides a noise reducer incorporated into its structure, ie said reducer is a posterior extension of the body of the claimed hair dryer, and its manufacture comprises all the conventional elements of a hair dryer, plus a device configured by a hollow frusto-conical element constructed of preferably sound-absorbent material or other material of equivalent characteristics, having two internal portions, namely a first portion which establishes an internal trunk area and provided with a multifaceted surface and an extremely inverted levementetronic portion.

In this way, the emitted sound waves collide with the multifaceted wall of the inner tronic portion and break into smaller waves that settle out of the device, thus decreasing the noise level.

A first variant of said hair dryer, which is also a posterior extension of the body of the claimed hair dryer, adds a truncated shaped element with two distinct elements, namely, an extreme first portion whose internal laminar face has a multifaceted surface and an intermediate portion that extends. configures through concentric and equidistant longitudinal cuts applied on the body of the truncated element.

In this way, the sound waves enter the device breaking into the predicted multifaceted surface on the inner face of said device, then reverberating towards the predicted cuts in the body of the reducing device.

There is also a second part of the hair dryer, which is also a posterior extension of the body of the hair dryer and which provides a hollow frusto-conical element which has longitudinal laminar elements, arranged two by two, orthogonal to each other, forming square areas, which decrease in area as they move towards the opposite end of the device.

The extreme face of this hair dryer device features square cutouts arranged toward the square areas, so that sound waves are minimized and noise is minimized.

BRIEF DESCRIPTION OF DRAWINGS

In addition to the present description in order to gain a better understanding of the features of the present invention and according to a preferred practical embodiment thereof, accompanying the accompanying description is a set of drawings which, as exemplified, although not limiting, are as follows:

Figure 1 shows a partial cross-sectional side view of the main model of the hair dryer with built-in noise reducer;

Figure 2 shows a perspective view of the main noise reducing device;

Figure 3 shows a longitudinal section of the main noise reducing device;

Figure 4 shows a perspective view of the first variation of the noise reducing device;

Figure 5 shows a longitudinal section of the first variation of the noise reducing device of the noise reducing device;

Figure 6 shows a perspective view of the second variation of the noise reducing device;

Figure 7 shows a longitudinal section of the second variation of the noise reducing device;

Figure 8 shows a perspective view of the noise reducing device;

Figure 9 shows a cross-sectional view of the noise reduction element coupled to the hair dryer through a snap ring;

Figure 10 shows a perspective view of the third variability of the noise reducing device Figure 11 shows a rear perspective view of the third variation of the noise reducing device;

Figure 12 shows a cross-sectional view of the third variation of the noise reduction coupled to the hair dryer through an elastic ring;

Figure 13 shows a perspective view of the constructive quartering of the downshift device; and

Figure 14 shows a longitudinal section of the fourth constructive variation of the noise reducing device.

DETAILED DESCRIPTION OF THE INVENTION

With reference to the illustrated drawings, the present invention "INTRUDED IMPROVEMENTS IN ELECTRIC HAIR DRYERS WITH DERUTED REDUCER AND NOISE REDUCER", more particularly deals with a SC electric hair dryer with a reduced 1 noise and also provides for the possibility of this noise reducer. be an insertable accessory element at the rear steam of a conventional hair dryer through an annular glove made of elastic material.

The claimed hair dryer has all the conventional components inherent to it, and provides for a noise reduction element 1, developed on its back or air inlet F of the SC Hair Dryer, being said reducer 1, notably designed to promote greater acoustic comfort for the user. , minimizing the noise coming from the motor and turbine, because it is formed by sound-absorbing material and presents physical conformation that allows the breaking of the sound waves OS, substantially minimizing the noise produced by the SC hair dryer.

The main construction of said noise reducing element 1 has conical and cast conformation, formed of preferably sound absorbing material or other material of equivalent characteristics, providing for two distinct portions 2 and 3, namely, a first portion which has a truncated area 4, provided with a multifaceted surface 5, extreme by a levonetronconic 6 inverted portion.

In this way, the emitted sound waves collide with the wall of the multifaceted area 5 of the inner frusto-conical portion 4 and break into smaller waves that move out of the device 1, thus minimizing the noise level.

A first variant of said SC hair dryer relates to a SC hair dryer with a posterior extension that conforms to noise reduction, said formatotron reducer and having an extreme orthogonal wall 7, whose inner surface 8 is multifaceted and provided still with concentric and equidistant longitudinal cuts 9, which can be applied to the entire circumference of the noise reducer or, in an alternative construction, the SC hair dryer is provided with a posterior extension that conforms to the noise reducer, being said a trunking shaped reducer. It is provided with an extreme orthogonal wall 7d, the inner surface 8d of which is multifaceted and further provided with equidistant concentric longitudinal indentations 9d, which are applied to only one circumference portion of the noise reducer 1d.

The partial cutouts developed in the noise reduction ld are developed so that, in case the equipment is used professionally, facing the professional who uses it, ie, being right or left handed, the professional can rotate the device positioning the cutouts for himself, providing greater safety. to the client's hair.

In this way, the sound waves enter the device 1d, breaking on the predicted surface on the inner face of said extension, and then reverberating towards the indentations 9d in the body of the reducing device 1d.

There is also a second hair dryer, which is also a posterior extension of the SCpleith hair dryer body, which adds a trunked lb element having an extreme orthogonal face 11 with small, preferably square-shaped cutouts 12 aligned with the established areas. by the four longitudinal and longitudinal laminar elements 10, which are internally positioned, arranged two by two, orthogonally, forming quadrangular areas, which shrink from the area as they move towards the cut-off end 12 of extension lb.

A third constructive variant of said SC hair dryer relates to an SC hair dryer having a rear extension forming the noise reducer lc, with a bulging shaped lc-shaped reducer, its extremely hollow face having a tapered element 15. axial position within the body and fixed by arms 16.

In addition, each of the noise reducing models 1, 1b, 1c and 1d provided for in the SC hair dryers of this patent application may be marketed individually, that is, they may be part of a set of accessories incorporating a hair dryer. For this purpose, said individual devices foresee extreme ring portion 14, 14a, 14b and 14c, developed to contain ring elements13, these made of elastic material and easily fit any existing hair dryer model in the state of the art or be fixed by any other suitable means of fitting and fixing.

Although the invention is detailed, it is important to understand that it does not limit its application to the details and steps described herein. The invention is capable of other embodiments and of being practiced or performed in a variety of ways. It should be understood that atherminology employed herein is for the purpose of description and not limitation.

Claims (10)

1 . "IMPROVEMENTS INTRODUCEDWITHNESSENOUS ELECTRIC HAIR DRYER", of an electric hair dryer (SC) which provides for all conventional components inherent thereto, is characterized by the fact that it provides a noise reducing element (1) developed on its rear face or air inlet of the hair dryer (SC), where the reducer (1), has a conical and hollow shape, formed of preferably sound absorbing material or other material of equivalent characteristics, providing two distinct portions (2) and (3), which that is, a first portion which has a frusto-conical area (4), provided with a multifaceted surface (5), extreme by a slightly frusto-conical and inverted portion (6). 2. "PERFORMANCE INTRODUCED IN THE ELECTRIC HAIR DRYER WITH NOISE REDUCER" according to claim 1 and in a first alternative preferred construction, characterized by the fact that it has a hair dryer (SC) with a subsequent extension that conforms the reduced gear (a); said trunked shape reducer (la) with an extreme orthogonal wall (7), whose internal surface (8) is multifaceted, being also equipped with concentric and equidistant longitudinal cutouts (9) applied to the body of said extension and / or conical element) . 3. "PERFORMANCE INTRODUCED IN THE ELECTRIC HAIR DRYER WITH NOISE REDUCER" according to claim 1 and in a second preferred alternative construction characterized by the fact that it has a hair dryer (SC), which is also a further extension of the hair dryer ( SC) claimed, which adds an element (lb) conformed to the trunked shape, presenting an extreme orthogonal face (11) with small cut-outs (12) of preferably square shape, aligned with the areas established by the four laminar (10) and longitudinal elements, which they are internally positioned, arranged two by two, in an orthogonal manner, forming quadrangular areas, which decrease in size as they move towards the end with cut-outs (12) of the extension (lb). 4. "PERFORMANCE INTRODUCED IN NOISE-REDUCING ELECTRIC HAIR DRYER" according to claim 1 and in a third variant of the model, characterized by the fact that it has a hair dryer (SC) with a posterior extension that conforms to the reducer (lc ) of noises, with a bulging shape and preferentially winding lines, being its extreme hollow face edged from an axial truncated element (15) positioned inside its body, being fixed by arms (16). 5. "IMPROVEMENTS INTRODUCED IN NOISE-REDUCING ELECTRIC HAIR DRYER" according to claims 1 and 2 and, in a fourth variant of the model, characterized in that it has a hair dryer (SC) with a further extension which conforms to the gear unit ( 1d) of noises, being said to be a trunked reducer (ld) and endowed with an extreme orthogonal wall (7d), whose inner surface (8d) is very faceted, and is also provided with equidistant concentric longitudinal cutouts (9d), which are applied in only part of the noise reducer (ld) circle. 6. "NOISE REDUCER", characterized in that it has a noise-reducing element (1) of conical and hollow conformation, made of preferably sound absorbing material or other material of equivalent characteristics, providing two separate portions (2) and (3) that is, a first section which has a frusto-conical area (4), provided with a multifaceted surface (5), extreme by a slightly frusto-conical and inverted portion (6), and an annular portion (14) provided with a fastening means to the hair dryer (SC). 7. "NOISE REDUCER" according to claim 6 and in a first alternative preferred construction, characterized by the fact that it has a noise reducer (la), being said to be a truncated shaped reducer (la) with an extreme orthogonal wall (7). , whose inner surface (8) is multifaceted, being further provided with concentric and equidistant longitudinal cut-outs (9) applied to the body of said extension and / or frusto-conical element (la), in addition to an annular portion (14a) and provided with a defixing means to the hair dryer (SC). 8. "NOISE REDUCER" according to claim 6 and in a second alternative preferred construction, characterized by the fact that it has an element (lb) shaped under the trontronic format, having an orthogonal face (11) with small square (12) indentations aligned with the areas established by the four laminar (10) and longitudinal elements, which are internally positioned, arranged two by two, orthogonally between, forming quadrangular areas, which decrease in area as they move towards the cut-off end (12) of the extension (lb), in addition to an annular portion (14b) and provided with a means of attachment to the hair dryer (SC). "Noise reducer" according to claim 2 and in a third variant of the model, characterized in that it has a noise reducer (lc) whose cut-outs (9) are applied to only one side of its body (lc). "NOISE REDUCER" according to claims 6, 7, 8 and 9 characterized in that the noise-reducing elements (1), (1a), (1b) and (1c) of each noise component provide for a suitable means of attachment. such as an annular member (13) made of elastic material and easily attachable to any prior art hair dryer or other suitable fitting and fixing means.