The device (1) for supplying micronized medical salt comprises a container (2) for medical salt, having a vertical longitudinal development and a lower end portion (3) provided with a mouth of release (4) of the medical salt, a screw (20) inserted into the container and having an upper end (21) and
The device (1) for supplying micronized medical salt comprises a container (2) for medical salt, having a vertical longitudinal development and a lower end portion (3) provided with a mouth of release (4) of the medical salt, a screw (20) inserted into the container and having an upper end (21) and a lower end (22) which is free, rotation members (30) of the screw mechanically connected thereto for rotating it with respect to the container, where the screw advances the medical salt downward so that the medical salt is released in a controlled manner from the mouth of release (4), the device further comprising a dispenser (50) which comprises a supply duct (51) and a ventilation member (60) which generates an air flow within the supply duct, where the mouth of release is in communication with the supply duct so as to release the medical salt directly in the air flow.
대표청구항▼
1. A device (1) for supplying micronized medical salt comprising: a container (2) having a vertical longitudinal development and a lower end portion (3) of cylindrical shape and provided with a mouth of release (4) of the medical salt, the container being configured for containing a quantity of medi
1. A device (1) for supplying micronized medical salt comprising: a container (2) having a vertical longitudinal development and a lower end portion (3) of cylindrical shape and provided with a mouth of release (4) of the medical salt, the container being configured for containing a quantity of medical salt;a screw (20) inserted into said container and having an upper end (21) and a lower end (22), the lower end being free in correspondence of said lower end portion;rotation members (30) of the screw mechanically connected to the upper end of the screw for rotating the latter with respect to the container, the screw being configured for advancing said medical salt downward along said longitudinal development through said rotation, so that the medical salt is released in a controlled manner from said mouth of release (4) of the lower end portion (3) and is supported by the screw in any other point on the lower end portion of the container, the device further comprising a dispenser (50) comprising a supply duct (51) and a ventilation member (60) for generating an air flow within the supply duct, where said mouth of release of the medical salt opens directly into the supply duct so as to release said medical salt directly in the aforesaid air flow and where the supply duct is configured so that said air flow is substantially horizontal at least in correspondence of said mouth of release; the container (2) having an upper portion (5) of truncated conical shape developing from an upper opening (6), from which the medical salt is introduced in the container, to the aforesaid lower end portion, said upper opening having a diameter greater than the diameter of said lower end portion, where the screw (20) comprises a first screw (23), having a first pitch and developing entirely within said upper portion of the container, and a second screw (24), having a second pitch and developing lower than said first screw and until said lower end portion of the screw, said first and second screw being configured for rotating integrally with said screw and said first pitch being greater than said second pitch; said first screw (23) having a truncated conical development corresponding to the truncated conical shape of the upper portion of the container, so that the diameter of each portion of the first screw is substantially equal to the diameter of the corresponding section of the upper portion of the container, and where said second screw (24), at least for the portion developing in correspondence of the lower end portion, has a diameter which is constant and substantially equal to the diameter of the cylindrical lower end portion of the container, said first and second screw being medical salt tight with the inner walls of said upper portion (5) and said lower end portion (3), respectively, of the container. 2. The device (1) according to claim 1, wherein said container (2) comprises a chute (10) for entering the medical salt in the container, said chute developing externally from a lateral surface of said upper portion of the container until an entry section (11) from which the medical salt is inserted, said chute being in communication with the interior of the container. 3. The device (1) according to claim 1, wherein said rotation members (30) comprise a motor (31) provided with a mounting portion (32) superiorly mounted to said container and with a driving shaft (33) mechanically connected to, and integral with, the upper end (21) of the screw, the device comprising an electronic central unit (40) programmed for feeding and managing the operation of the rotation members, the electronic central unit being programmed for allowing a continuous adjustment of the rotation speed of the screw. 4. The device (1) according to claim 1, comprising vibration members (45), stiffly fixed to said container and configured for vibrating said container. 5. The device (1) according to claim 4, further comprising a vibration damping system (44) interposed between said container and said rotation members. 6. The device (1) according to claim 1, wherein said supply duct (51) has a horizontal longitudinal development and is provided with an entrance (52), onto which said ventilation member is mounted and from which the air of said air flow enters in the supply duct, and with a free exit (53), opposite to said entrance, from which said air flow and said micronized medical salt come out, the supply duct further comprising an operative opening (54) in an intermediate position between said entrance and said exit, said lower end portion (3) of the container being at least partially introduced into the supply duct through said operative opening so that the mouth of release is inside the duct at a certain distance from the inner surface of the duct. 7. A method for supplying micronized medical salt comprising the following steps: introducing a mixture of micronized medical salt in a container (2) of a device (1) according to claim 1;advancing said mixture in a controlled manner downward along the vertical longitudinal development of the container, by rotating the screw (20);releasing the mixture from the mouth of release (4) of the lower end portion (3) of the container within the supply duct (51);generating, by means of the ventilation member (60), an air flow inside the supply duct, the air flow being substantially horizontal at least in correspondence of the mouth of release;supplying the mixture, released into the air flow, from the supply duct; wherein the step of introducing a mixture of micronized medical salt in the container, said mixture is drawn from an envelope containing a mixture of salts having the same chemical composition and different granulometry according to predetermined mass fractions. 8. The method according to claim 7 where, in the step wherein said mixture is drawn from an envelope, said envelope at least contains a mass percentage of micronized medical salt having a granulometry lower than 20 micrometers and greater than 5 micrometers between 5% and 10%, a mass percentage of micronized medical salt having a granulometry lower than 5 micrometers between 1% and 5% and a mass percentage of micronized medical salt having a granulometry greater than 50 micrometers between 85% and 94%.
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이 특허에 인용된 특허 (4)
Spivak Philip (Toluca Lake CA) Opel Alan E. (Monrovia CA), Apparatus for enhancing the feeding of particles from a hopper.
Cailliot Serge Leon Louis (38 ; Rue de Bois de Boulogne 92200 Neuilly-sur-Seine FR) Andre Leopold Guy Pierre (26 ; Boulevard du Chateau 92200 Neuilly-sur-Seine FR), Coffee mill.
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