Claims (6)
1. Centrifugalni ventilator koji se sastoji od:
- prednjeg dijela (1) sa usisnim otvorom (2) kroz koji se uvodi zrak u centrifugalni ventilator,
- sklopa motora (3) i propelera (4) s lopaticama (5) sa osi rotacije postavljene aksijalno u odnosu na usisni otvor (2), sklop motora (3) i propelera (4) podešen je tako da se prilikom upotrebe zrak uvlači u smjeru (D) koji je okomit na os rotacije s kutom otklona (α) u smjeru rotacije (G) propelera (4), i
- potpornih sredstava za povezivanje sklopa motora (3) i propelera (4) s prednjim dijelom (1), pri čemu potporna sredstva uključuju najmanje tri kraka (6) plosnato laminarnog oblika i protežu se u smjeru (D) u kojem se uvlači zrak, i pri čemu je barem dio krakova (6) orijentiranih prema smjeru (D) u kojem se uvlači zrak, zakrivljen.1. Centrifugal fan consisting of:
- of the front part (1) with the suction opening (2) through which air is introduced into the centrifugal fan,
- engine assembly (3) and propeller (4) with blades (5) with the axis of rotation positioned axially in relation to the intake opening (2), engine assembly (3) and propeller (4) is adjusted so that during use, air is drawn into to the direction (D) which is perpendicular to the axis of rotation with a deflection angle (α) in the direction of rotation (G) of the propeller (4), and
- supporting means for connecting the engine assembly (3) and propeller (4) to the front part (1), whereby the supporting means include at least three arms (6) of a flat laminar shape and extend in the direction (D) in which the air is drawn in, and wherein at least part of the arms (6) oriented towards the direction (D) in which the air is drawn in, is curved.
2. Centrifugalni ventilator prema prethodnom zahtjevu, u kome krakovi (6) imaju prednju stranu (F) te bočne strane (L), pri čemu je prednja strana (F) manje debljine od bočnih strana (L), navedena prednja strana (F) manje debljine orijentirana je prema smjeru (D) u kojem se uvlači zrak, dok su bočne strane (L) paralelne sa smjerom (D) u kojem se uvlači zrak.2. Centrifugal fan according to the previous claim, in which the arms (6) have a front face (F) and side faces (L), whereby the front face (F) is less thick than the side faces (L), said front face (F) less thick is oriented towards the direction (D) in which the air is drawn in, while the sides (L) are parallel to the direction (D) in which the air is drawn in.
3. Centrifugalni ventilator prema bilo kojem od prethodnih zahtjeva, u kome krakovi (6) imaju prvi dio (6.1) povezan sa sklopom motora (3) i propelera (4), drugi dio (6.2) povezan sa prednjim dijelom (1) te treći dio (6.3) koji povezuje prvi dio (6.1) s drugim dijelom (6.2), pri čemu prvi dio (6.1) svakog kraka (6) ima spojnu točku (u) za spajanje s krakom (6) koji se nalazi neposredno uz njega u smjeru suprotnom rotaciji (G) propelera (4), te drugu spojnu točka (u') za spajanje s krakom (6) koji se nalazi neposredno uz njega u smjeru rotacije (G) propelera (4).3. A centrifugal fan according to any of the preceding claims, in which the arms (6) have a first part (6.1) connected to the motor (3) and propeller (4) assembly, a second part (6.2) connected to the front part (1) and a third part (6.3) connecting the first part (6.1) to the second part (6.2), wherein the first part (6.1) of each leg (6) has a connection point (u) for connecting to the leg (6) located immediately next to it in in the opposite direction of rotation (G) of the propeller (4), and the second connection point (u') for connection with the arm (6) which is located immediately next to it in the direction of rotation (G) of the propeller (4).
4. Centrifugalni ventilator prema prethodnom zahtjevu, u kome se prvi dio (6.1) krakova (6) proteže u smjeru koji je uglavnom okomit u odnosu na os rotacije sklopa motora (3) i propelera (4), drugi dio (6.2) proteže se u smjeru koji je uglavnom paralelan u odnosu na os rotacije sklopa motora (3) i propelera (4), a treći dio (6.3) povezuje prvi dio (6.1) s drugim dijelom (6.2) putem luka.4. Centrifugal fan according to the previous claim, in which the first part (6.1) of the arms (6) extends in a direction that is generally perpendicular to the axis of rotation of the motor (3) and propeller assembly (4), the second part (6.2) extends in a direction that is mostly parallel to the axis of rotation of the engine assembly (3) and propeller (4), and the third part (6.3) connects the first part (6.1) with the second part (6.2) via an arc.
5. Centrifugalni ventilator prema bilo kojem od prethodnih zahtjeva, u kome su krakovi (6) izvedeni u obliku slova L.5. Centrifugal fan according to any of the previous claims, in which the arms (6) are made in the shape of the letter L.
6. Centrifugalni ventilator prema bilo kojem od prethodnih zahtjeva, u kome su krakovi (6) simetrično raspoređeni u odnosu na os rotacije sklopa motora (3) i propelera (4).6. Centrifugal fan according to any of the preceding claims, in which the arms (6) are symmetrically arranged in relation to the axis of rotation of the motor assembly (3) and propeller (4).