A control unit (100; 200; 300; 300a; 400, 400a) for controlling an actuator device is described, said control unit comprising: a tubular body (101; 201; 301; 401) defining an axial cavity (101a; 201a; 301a; 401a), said tubular body being closed at an end thereof by a base (102; 202; 302; 402) and at the axially opposite end by a head (103; 203; 303; 403), a tubular bush (105; 205; 305; 405) arranged inside said cavity and coaxial with said tubular body, a separator element (106; 206; 306; 406) arranged in the cavity and suitable for separating in a fluid-tight manner a first chamber (108; 208; 308; 408) from a second chamber (109; 209; 309; 409) defined in said tubular body, a passage (110; 210; 310; 410) being provided in said cavity between said tubular body (101; 201; 301; 401) and said tubular bush (105; 205; 305; 405), said passage (110; 210; 310; 410) being in fluid connection with the first chamber (108; 208; 308; 408), a first fluid with magnetorheological behaviour being provided in said first chamber (108; 208; 308; 408), a system of electrical windings (115; 215; 315; 415) provided for generating, when passed through by electrical current, a magnetization at said passage (110; 210; 310; 410) so as to vary the flowing capacity of said first fluid through said passage, and to generate a flow rate and/or a pressure in said first fluid suitable for controlling the movement of said actuator device and/or the forces acting on said actuator device, when said actuator device is operationally connected to said control unit, said second chamber (109; 209; 309; 409) being provided with a second fluid suitable for generating a pressure for acting counter to the pressure existing in the first chamber (108; 208; 308; 408) during the operational function of said control unit.
B30B 15/16 - Control arrangements for fluid-driven presses
F16F 9/53 - Means for adjusting damping characteristics by varying fluid viscosity, e.g. electromagnetically
F16F 9/00 - Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
F15B 21/06 - Use of special fluids, e.g. liquid metalSpecial adaptations of fluid-pressure systems, or control of elements therefor, to the use of such fluids
An actuator (10, 110) with linear movement, of the type using magnetorheological fluid, including a first section (11, 111) with a hollow member (12, 112) which develops about an axis (X) and which has, at opposite sides, a bottom (13, 113) and a head (14, 114), respectively, at least the head (14, 114) being bored for the passage of a rod (15, 115) which moves in translation with piston type means (16, 116) in the hollow member (12, 112) along the axis (X), the piston type means (16, 116) delimit at one side with the bottom (13, 113) and at the opposite side with the head (14, 114), respectively, a first chamber (17, 117) and a second chamber (18, 118) for a fluid, the first and second chambers (17, 117, 18, 118) being connected, respectively, to a first charging/discharging opening (19, 119) and to a second charging/discharging opening (20, 120) for the fluid. The actuator (10, 110) also includes a second section (21, 121) for controlling the translational movement of the rod (15, 115), the second section (21, 121) comprising a third chamber (22, 122) and a fourth chamber (23, 123) which are suitable for containing a magnetorheological fluid, and in fluid connection between them by means of at least one passage (24, 124), the second section (21, 121) being operatively connected to the first section (11, 111) by means of the rod (15, 115) in such a manner that there is induced with the translation movement thereof a variation in volume of the third and fourth chambers (22, 122, 23, 123) with a movement of the magnetorheological fluid through the at least one passage (24, 124), the second section (21, 121) being provided with electrical windings (26, 126) in the region of the at least one passage (24, 124), the electrical windings (26, 126) being suitable for generating magnetic fields for varying the sliding capacity of the magnetorheological fluid through the at least one passage (24, 124), influencing the advance speed of the rod (15, 115) during the translational movement thereof.
F15B 21/06 - Use of special fluids, e.g. liquid metalSpecial adaptations of fluid-pressure systems, or control of elements therefor, to the use of such fluids
An actuation device (10, 110), of the type using magnetorheological fluid, which comprises at least the combination of: - a jacket (11, 111), - a tubular bushing (12, 112), which is internal to the jacket (11, 111) and is concentric thereto, electrical windings (13, 113) being present on the external wall of the bushing (12, 112), the jacket (11, 111) being closed at one end by an end plate (14, 114) and at the opposite end by a head (16, 116) which is perforated for the passage of - a first hollow stem (17, 117), adapted to protrude from the head (16, 116) by translating on - a second hollow stem (18, 118), which extends from the end plate (14, 114) inside the bushing (12, 112), - an annular element (19, 119), which is integral with the first hollow stem (17, 117) and translates with it inside the bushing (12, 112), - a first chamber (20, 120), adapted to contain the magnetorheological fluid, - a second chamber (21, 121), in fluidic connection with the first chamber (20, 120) by means of an interspace (22, 122) between the bushing (12, 112) and the jacket (11, 111), - a third volume compensation chamber (23, 123).
F16F 9/53 - Means for adjusting damping characteristics by varying fluid viscosity, e.g. electromagnetically
F16F 9/18 - Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein
F16F 9/06 - Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid
F15B 15/14 - Fluid-actuated devices for displacing a member from one position to anotherGearing associated therewith characterised by the construction of the motor unit of the straight-cylinder type
F15B 21/06 - Use of special fluids, e.g. liquid metalSpecial adaptations of fluid-pressure systems, or control of elements therefor, to the use of such fluids
09 - Scientific and electric apparatus and instruments
Goods & Services
Linear actuators; Hydraulic linear actuators; Linear actuators [mechanical]; Actuators for valves; Actuators for valves; Electric gate operators; Hydraulic gate operators; Hydraulic valve actuators; Actuators for dampers; Rotary to linear actuators; Pneumatic or hydraulic linear actuators, other than for land vehicles. Electric actuators; Electric linear actuators; Electrically activated rotary actuators.
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for travel; flexible bags for garments; tote bags; duffel
bags; all-purpose carrying bags; leather and imitation
leather bags; shopping bags; chain mesh purses; purses;
small bags for men; multi-purpose purses; bumbags; wallets;
key cases of leather or imitation leather; attaché cases of
leather; attaché cases of imitation leather; luggage tags of
leather; credit card cases [wallets]; key cases; vanity
cases sold empty; backpacks; daypacks; music cases;
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sneakers; boots; wooden shoes; mules; sandals; bath sandals;
socks; footwear uppers; insoles; soles for footwear; heels;
sportswear; shirts; t-shirts; sweaters; jumpers [pullovers];
sweat shirts; knitwear [clothing]; clothing of leather;
clothing of imitation of leather; sashes for wear; shawls;
bandanas [neckerchiefs]; gloves [clothing]; muffs
[clothing]; headscarves; neckerchiefs; kerchiefs [clothing];
neckties; bow ties; bermuda shorts; short trousers; leggings
[trousers]; salopettes; berets; ear muffs; hats; visors
[headwear]; jackets [clothing]; skirts; trousers; gowns;
dresses; raincoats; polo shirts; undershirts; swimsuits;
gilets; quilted waistcoats; topcoats; coats; heavy jackets;
blousons; furs [clothing]; wind-jackets; parkas; down
jackets; swimming costumes; bath robes; pajamas; nighties;
underwear; belts [clothing]. Advertising; advertising and marketing; business management;
retailing and wholesaling of footwear, bags, clothing and
fashion accessories; presentation of goods on communication
media, for retail purposes; online retailing in relation to
footwear, bags, clothing and fashion accessories;
advertising by mail order and mail order sales services
relating to footwear, bags, clothing and fashion
accessories; on-line advertising on a computer network;
organisation of exhibitions and events for commercial or
advertising purposes; advertising and marketing in the
fashion sector; promoting the goods and services of others
through advertisements on Internet websites; providing
assistance in the management of franchised companies;
assistance in business management within the framework of a
franchise contract; import and export services relating to
footwear, clothing and fashion accessories.
Leather and imitations of leather; Casual bags; Cross-body bags; Sport bags; Beach bags; Handbags; Evening handbags; Ladies' handbags; Make-up bags, not fitted; Clutches [purses]; Travelling sets [leatherware]; Trunks and travelbags; Travel bags for footwear; Valises; Attache cases; Garment bags for travel; Flexible bags for garments; Totes; Duffel bags; All-purpose carrying bags; Leather and imitation leather bags; Shopping bags; Chain mesh purses; Purses; Small bags for men; Multi-purpose purses; Bumbags; Wallets; Key cases of leather or moleskin (imitation of leather); Attaché cases of leather; Attaché cases of imitations of leather; Leather luggage tags; Credit card cases [wallets]; Key cases; Unfitted vanity cases; Backpacks; Daypacks; Music cases; Umbrellas and sunshades. Clothing; Shoes; Headgear; Footwear; Gym shoes (sneakers); Training shoes; Boots; Wooden shoes; Mules; Sandals; Bath sandals; Socks; Footwear uppers; Insoles; Footwear soles; Heels; Sportswear; Shirts; T-shirts; Sweaters; Jumpers; Sweaters; Sweat shirts; Knitwear [clothing]; Leather clothing; Clothing of imitations of leather; Sashes for wear; Shawls; Bandanas (scarves); Gloves [clothing]; Muffs [clothing]; Headscarves; Neckerchiefs; Kerchiefs [clothing]; Neckties; Bowties; Bermuda shorts; Trousers shorts; Leggings [trousers]; Salopettes; Berets; Ear muffs [clothing]; Hats; Visors [hatmaking]; Jackets [clothing]; Skirts; Trousers; Gowns; Gowns; Waterproof clothing; Polo shirts; Undershirts; Maillots; Gilets; Down vests; Topcoats; Coats; Heavy jackets; Blousons; Pelisses; Parkas (hooded jackets); Parkas; Down jackets; Sleeveless down jackets; Wind-jackets; Swimming costumes; Robes; Pyjamas; Nighties; Underwear; Waist belts. Advertising; Advertising and marketing; Business management; Retailing and wholesaling of footwear, bags, clothing and fashion accessories; Presentation of goods on communication media, for retail purposes; Online retailing in relation to footwear, bags, clothing and fashion accessories; Mail order and mail order sale relating to footwear, bags, clothing and fashion accessories; On-line advertising on a computer network; Organisation of exhibitions and events for commercial or advertising purposes; Advertising and marketing in the fashion sector; Promoting the goods and services of others through advertisements on Internet websites; Assistance relating to the management of a franchised company; Assistance in business management within the framework of a franchise contract; Import and export of footwear, clothing and fashion accessories.
