[미국특허]
Pump mount using sanitary flange clamp
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F04B-017/00
F04B-035/00
출원번호
US-0325610
(2002-12-19)
발명자
/ 주소
Oehman, Jr., Robert E.
출원인 / 주소
Parker-Hannifin Corporation
대리인 / 주소
Hunter Christopher H.
인용정보
피인용 횟수 :
39인용 특허 :
13
초록▼
A metering assembly includes a motor removably coupled to a pump using a flange clamp. An annular connection flange is provided at one end of the motor housing; and a cooperating annular connection flange is provided at one end of the pump housing. The connection flanges have opposed, mating end sur
A metering assembly includes a motor removably coupled to a pump using a flange clamp. An annular connection flange is provided at one end of the motor housing; and a cooperating annular connection flange is provided at one end of the pump housing. The connection flanges have opposed, mating end surfaces which are located in flush relation with each other. The flange clamp includes a pair of arcuate clamping arms which are pivotally supported at one end, and a locking member connecting the other, distal free ends of the arms together, and which can be manually tightened and untightened, so that the flange clamp can be easily located around and tightened down around the annular connection flanges of the pump and motor to create a mechanical face seal between the pump and motor.
대표청구항▼
1. A metering assembly including a pump and motor for driving the pump, where the pump is a self-contained unit removable from the motor, and includes a housing enclosing a pump mechanism, a fluid inlet and fluid outlet in the housing, and an annular connection flange projecting radially outward fro
1. A metering assembly including a pump and motor for driving the pump, where the pump is a self-contained unit removable from the motor, and includes a housing enclosing a pump mechanism, a fluid inlet and fluid outlet in the housing, and an annular connection flange projecting radially outward from one end of the pump housing; and the motor includes a housing enclosing a drive mechanism, and an annular connection flange projecting radially outward from one end of the motor housing, the annular connection flanges of the motor and pump having flush, mating end surfaces, and coupling means between the motor and the pump for operating the pump mechanism via the drive mechanism, the improvement comprising an annular flange clamp securing the annular connection flange of the pump to the annular connection flange of the motor to create a mechanically sealed interface between the end surfaces of the pump and the motor, and allowing rapid and tool-free connection and disconnection of the pump from the motor, the flange clamp including a pair of arcuate clamping arms, each of which has an internal geometry to receive an arcuate portion of both the annular connection flange of the motor and the annular connection flange of the pump, and which are pivotally connected at one end with respect to each other, and a locking member connecting another distal free end of the arms together, wherein the flange clamp can be radially enlarged and located around the annular connection flanges of the pump and motor, and the locking member tightened to draw the clamping arms together around the annular connection flanges to fix the pump to the motor. 2. The metering assembly as in claim 1, wherein the flange clamp surrounds and encompasses the annular connection flanges of the pump and the motor. 3. The metering assembly as in claim 1, wherein the locking member can be manually engaged to secure the flange clamp to the annular connection flanges of the pump and motor. 4. The metering assembly as in claim 1, wherein the mating end surfaces of the annular connection flanges extend transverse to an axis of the pump and motor. 5. The metering assembly as in claim 1, wherein the end surfaces of the annular connection flanges of the pump and motor have locating geometry, which axially and concentrically aligns the pump with respect to the motor, and which allows the pump to be fixed in any rotational orientation with respect to the motor. 6. The metering assembly as in claim 1, wherein the locking member is pivotally connected to the distal end of one of the clamping arms, and the other of the clamping arms includes a slot to receive the locking member. 7. The metering assembly as in claim 1, wherein the clamping arms of the flange clamp can be manipulated to radially enlarge or reduce the dimension of the flange clamp. 8. A metering assembly including a pump and motor for driving the pump, where the pump is a self-contained unit removable from the motor, and includes a housing enclosing a pump mechanism, a fluid inlet and fluid outlet in the housing, and an annular connection flange projecting radially outward from one end of the pump housing: and the motor includes a housing enclosing a drive mechanism, and an annular connection flange projecting radially outward from one end of the motor housing, the annular connection flanges of the motor and pump having flush, mating end surfaces, and coupling means between the motor and the pump for operating the pump mechanism via the drive mechanism, the improvement comprising a flange clamp securing the annular connection flange of the pump to the annular connection flange of the motor to create a mechanically sealed interface between the end surfaces of the pump and the motor, and allowing rapid and tool-free connection and disconnection of the pump from the motor, wherein the annular connection flanges of the pump and motor each include a beveled peripheral edge, and the flange clamp includes an internal geometr y cooperating with the beveled edges to securely retain the annular connection flanges in mechanically sealed relation to one another. 9. The metering assembly as in claim 8, wherein the internal geometry of the flange clamp substantially matches the beveled geometry of the peripheral edges of the annular connection flanges of the pump and motor. 10. A metering assembly including a pump and motor for driving the pump, where the pump is a self-contained unit removable from the motor, and includes a housing enclosing a gear pump mechanism, a fluid inlet and fluid outlet in the housing, and an annular connection flange projecting radially outward from one end of the pump housing; and the motor includes a housing enclosing a drive mechanism, and an annular connection flange projecting radially outward from one end of the motor housing, the annular connection flanges of the motor and pump having flush, transversely-extending mating end surfaces, and coupling means between the motor and the pump for operating the gear pump mechanism via the drive mechanism, and further including an annular sanitary connection flange clamp fixing the annular connection flange of the pump to the annular connection flange of the motor to provide a flush, mechanically-sealed interface between the end surfaces of the pump and the motor, the sanitary connection flange clamp being manually engageable to connect and disconnect the annular connection flanges of the motor and pump, wherein the sanitary connection flange clamp includes arcuate clamping arms, each arm having an internal geometry to receive the annular connection flange of the motor and the annular connection flange of the pump, each arm pivotally supported at one end with respect to each other, and a locking member connecting the other, distal free ends of the arms together, such that the sanitary connection flange clamp can be easily located around and tightened down around the annular connection flanges of the pump and motor. 11. The metering assembly as in claim 10, wherein the sanitary connection flange clamp surrounds and encompasses the annular connection flanges of the pump and the motor. 12. The metering assembly as in claim 10, wherein the end surfaces of the annular connection flanges of the pump and motor have locating geometry, which axially and concentrically aligns the pump with respect to the motor, and which allows the pump to be fixed in any rotational orientation with respect to the motor. 13. The metering assembly as in claim 10, wherein the locking member is pivotally connected to the distal end of one of the clamping arms, and the other of the clamping arms includes a slot to receive the locking member. 14. The metering assembly as in claim 10, wherein the clamping arms of the flange clamp can be manipulated to radially enlarge or reduce the dimension of the flange clamp. 15. A metering assembly including a pump and motor for driving the pump, where the pump is a self-contained unit removable from the motor, and includes a housing enclosing a gear pump mechanism, a fluid inlet and fluid outlet in the housing, and an annular connection flange projecting radially outward from one end of the pump housing: and the motor includes a housing enclosing a drive mechanism, and an annular connection flange projecting radially outward from one end of the motor housing, the annular connection flanges of the motor and pump having flush, transversely-extending mating end surfaces, and coupling means between the motor and the pump for operating the gear pump mechanism via the drive mechanism, and further including a sanitary connection flange clamp fixing the annular connection flange of the pump to the annular connection flange of the motor to provide a flush, mechanically-sealed interface between the end surfaces of the pump and the motor, the sanitary connection flange clamp being manually engageable to connect and disconnect the annular connection flanges of the motor and pump, wherein the annular connection flanges of the pump and motor each include a beveled peripheral edge, and the sanitary connection flange clamp includes an internal geometry cooperating with the beveled edges to securely retain the annular connection flanges in sealed relation to one another. 16. The metering assembly as in claim 15, wherein the internal geometry of the flange clamp substantially matches the beveled geometry of the peripheral edges of the annular connection flanges of the pump and motor.
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