IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0171374
(1999-03-04)
|
우선권정보 |
DE9615322 (1996-04-18) |
국제출원번호 |
PCT/EP97/01772
(1997-04-10)
|
§371/§102 date |
19990304
(19990304)
|
국제공개번호 |
WO-9740274
(1997-10-30)
|
발명자
/ 주소 |
- Wilhelm Hans-Dieter,DEX
- Schmidt Christoph,DEX
- Werner Thomas,DEX
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
5 인용 특허 :
22 |
초록
▼
In a peripheral pump, having a rotor (2) which rotates in a pump casing (1) and having two delivery chambers (11, 12), which extend on both sides of the end sides (3, 4) and each have circular cross sections, the delivery chambers (11, 12) have a communicating passage (13) between them, formed by an
In a peripheral pump, having a rotor (2) which rotates in a pump casing (1) and having two delivery chambers (11, 12), which extend on both sides of the end sides (3, 4) and each have circular cross sections, the delivery chambers (11, 12) have a communicating passage (13) between them, formed by an overlap of their cross sections. As a result, the liquid can flow without interference from one delivery chamber (11) into the other delivery chamber (12). One delivery chamber (11) is connected to an inlet duct, while the other delivery chamber (12) is connected to an outlet duct.
대표청구항
▼
[ What is claimed is:] [1.]1. A peripheral pump having a driven rotor (2), which rotates in a pump casing (1) and in which a ring (5) of blades (6) is formed in each of its end sides (3, 4) for the purpose of delivering a liquid from an inlet duct (18) to an outlet duct (19), and having annular duct
[ What is claimed is:] [1.]1. A peripheral pump having a driven rotor (2), which rotates in a pump casing (1) and in which a ring (5) of blades (6) is formed in each of its end sides (3, 4) for the purpose of delivering a liquid from an inlet duct (18) to an outlet duct (19), and having annular ducts (8, 9) having semicircular cross sections, which are formed in the pump casing (1) on both sides in the region of the blades (6) and, together with blade chambers (10, 10a) between the blades (6), form delivery chambers (11, 12) which face one another, the rotor (2), in its radially inner region and in the region of its circumferential edge, facing toward the pump casing (1) at a distance therefrom so as to delimit a sealing gap (14), and the blades (6), as seen in the direction of rotation, rising from the central region of the rotor toward the end sides (3, 4), wherein, in the region of two mutually facing blade chambers (10, 10a) of the blades (6) a communicating passage (13) is formed for the liquid to flow over, the inlet duct (18) being connected to one delivery chamber (11) and the outlet duct (19) being connected to the other delivery chamber (12), wherein the delivery chambers (11, 12) have a semicircular cross section in the region of the blade chambers (10, 10a), and wherein the communicating passage (13) has a contour defined by an overlap of the circular cross sections of the delivery chambers (11, 12).
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