IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0283389
(2005-11-17)
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등록번호 |
US-8388805
(2013-03-05)
|
우선권정보 |
DE-10 2004 056 856 (2004-11-25) |
발명자
/ 주소 |
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출원인 / 주소 |
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인용정보 |
피인용 횟수 :
0 인용 특허 :
13 |
초록
▼
A coarse separator (10) for a power tool (2) is used for separating, at least partially, from an air flow (L), material particles (M) produced during operation of the power tool (2) and aspirated by a suction device (8), and includes an inlet opening (48) connectable with the suction head (6) of a s
A coarse separator (10) for a power tool (2) is used for separating, at least partially, from an air flow (L), material particles (M) produced during operation of the power tool (2) and aspirated by a suction device (8), and includes an inlet opening (48) connectable with the suction head (6) of a suction device (8) that aspirates the particles, an outlet opening (40) for letting a purified air flow (L) out, and a lamella separator arranged between the inlet opening (48) and the outlet opening (40).
대표청구항
▼
1. A coarse separator (10) for a power tool (2) for separating, at least partially, from an air flow (L), material particles (M) produced during operation of the power tool (2) and aspirated by a suction device (8) including a suction head (6), the coarse separator comprising: an inlet opening (48)
1. A coarse separator (10) for a power tool (2) for separating, at least partially, from an air flow (L), material particles (M) produced during operation of the power tool (2) and aspirated by a suction device (8) including a suction head (6), the coarse separator comprising: an inlet opening (48) connectable with the suction head (6);an outlet opening (40) for letting a purified air flow (L) out;a lamella separator (42) located between the inlet opening (48) and the outlet opening (40) and extending in an entry direction of the air flow (L); a catch chamber (52) located at a side of the lamella separator (42) remote from the inlet opening (48) and having an opening (50); andan inlet path (38) connecting the inlet opening (48) and the opening (50) of the catch chamber (52), the lamella separator (42) having a plurality of lamellas (44) arranged parallel to each other and one after another along the inlet path (38), sidewise limiting the inlet path (38), and forming, at ends thereof adjacent to the inlet path (38), an acute angle with the inlet path (38),wherein the catch chamber (52) is open on one side, and wherein the coarse separator further comprises a removable cover (34) for closing the one side in a mounted condition of the cover (34), whereby the catch chamber (52) is open only at the opening (50) thereof connected with the inlet opening (38). 2. A coarse separator according to claim 1, wherein the lamellas (44) are bent in the entry direction of the air flow (L) at the ends thereof adjacent to the inlet path (38). 3. A coarse separator according to claim 1, further comprising a removable cover (34) that limits the catch chamber (52) on one side and that abuts, in a mounted position of the removable cover (34), end surfaces (58) of the lamellas (44). 4. A suction device for a power tool, comprising: a suction head (6);a coarse separator (10) for separating, at least partially, from an air flow (1), material particles produced during operation of the power tool (2), the coarse separator (10) having:a housing (30) including an inlet opening (48) connectable with the suction head (6) and an outlet opening (40) for letting a purified air flow (L) out,a lamella separator (42) located between the inlet opening (48) and the outlet opening (40) along an inlet path (38) of the air flow (L) and having a plurality of lamellas (44) arranged parallel to each other and one after another along the inlet path (38) sidewise limiting the inlet path (38), and forming, at ends of the lamellas (44) adjacent to the inlet path (38), an acute angle with the inlet path (38), anda catch chamber (52) located at a side of the lamella separator (42) remote from the inlet opening (48) and having an opening (50) with the inlet path (38) connecting the inlet opening (48) and the opening (50) of the catch chamber (52),wherein the catch chamber (52) is open on one side, and wherein the coarse separator further comprises a removable cover (34) for closing the one side in a mounted condition of the cover (34), whereby the catch chamber (52) is open only at the opening (50) thereof connected with the inlet opening (38); anda fine separator (16) having:a housing (16′) provided at the outlet opening (40) of the coarse separator (10), anda filter (14) located in the housing (16′) of the fine separator (16). 5. A suction device according to claim 4, wherein the coarse separator comprises trap means provided in the catch chamber (52) for blocking displacement of material particles (M) collected in the catch chamber (52) from displacement in a direction of the opening (50) of the catch chamber (52). 6. A suction device according to claim 5, wherein the trap means is formed by catch walls (54) projecting into the catch chamber (52) and titling away from the opening (50) of the catch chamber (52)). 7. A suction device according to claim 4, wherein the inlet path (38) extends in a direction (S) the gravity force acts in a horizontal position of the power tool that corresponds to a main direction of the power tool. 8. A suction device according to claim 7, wherein the inlet opening (48) of the coarse separator is formed by a nozzle (36).
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