Rotary valve for interconnecting conduits in three groups
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F16K-011/074
B01D-015/02
출원번호
US-0679779
(1984-12-10)
발명자
/ 주소
Dolejs Charles A. (Arlington Heights IL)
출원인 / 주소
UOP Inc. (Des Plaines IL 02)
인용정보
피인용 횟수 :
35인용 특허 :
1
초록▼
A unitary multiport rotary disc valve capable of accomplishing the simultaneous interconnection of a plurality of conduits in accordance with a previously determined cycle, where any conduit communicates with no more than one other conduit at any one valve index position. It is particularly useful w
A unitary multiport rotary disc valve capable of accomplishing the simultaneous interconnection of a plurality of conduits in accordance with a previously determined cycle, where any conduit communicates with no more than one other conduit at any one valve index position. It is particularly useful where such plurality of conduits may be divided into three separate groups according to their function and it is necessary to interconnect the conduits in accordance with a relationship among the groups. The conduits to be interconnected are attached to the bottom of a discoid stationary body, or stator, having channels in it which communicate between the conduits and flow paths in a discoid rotating body, or rotor, which assumes various positions according to the cycle steps and distributes fluid flowing in the conduits in a different manner in each cycle step. The stator has two rows of ports which are arranged in two concentric circles in addition to a number of fluid-containing grooves extending circumferentially 360°around the stator.
대표청구항▼
A multiport rotary valve for accomplishing the simultaneous interconnection of a plurality of conduits which are divided into a first, a second, and a third group of conduits in accordance with a previously determined cycle, where any conduit communicates with no more than one other conduit at any o
A multiport rotary valve for accomplishing the simultaneous interconnection of a plurality of conduits which are divided into a first, a second, and a third group of conduits in accordance with a previously determined cycle, where any conduit communicates with no more than one other conduit at any one valve index position, comprising: (a) a discoid stator having said plurality of conduits connected to it, having a substantially flat seating surface, which seating surface comprises a portion of an interface region, which interface region has a plurality of grooves located concentrically about an axis of rotation, the stator further having a plurality of ports disposed in two circular rows around said axis of rotation and extending through the stator from said stator seating surface to another surface of the stator in order to communicate with a conduit, where said ports are divided into a first and a second group of ports and each port communicates with a conduit which is in a corresponding group of conduits, the number of ports being equal to the number of said conduits in said first and second groups of conduits and the stator further having a plurality of passageways, each extending from a groove through the stator to communicate with a conduit, where said passageways are equal in number to the number of grooves and each passageway communicates with a conduit of said third group of conduits; (b) a discoid rotor having a seating surface which is in fluid-tight contact with said stator seating surface, which rotor seating surface comprises a portion of said interface region, and which rotor has a plurality of openings, each opening extending through the rotor to communicate with either a port or a groove, where said plurality of openings is equal in number to the total number of conduits and are divided into a first, a second, and a third set such that in each index position, each port of said first group in the stator is in register with a different one of the openings of said first set of rotor openings, each port of said second group in the stator is in register with a different one of the openings of said second set of rotor openings, and such that in every index position each of said grooves is in constant communication with a particular opening of said third set of rotor openings; and, (c) a plurality of crossover pipes connected to the rotor at locations other than at said rotor seating surface, where said crossover pipes complete fluid transfer paths between conduits of said first and second groups, conduits of said first and third groups, and conduits of said second and third groups in accordance with said previously determined cycle, where that part of a fluid transfer path between a conduit and a crossover pipe comprises, for said first and second groups of conduits, a port and an opening, and comprises, for said third group of conduits, a passageway, a groove, and an opening.
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