IL40041A - A combined pump and centrifugal contamination separator - Google Patents

A combined pump and centrifugal contamination separator

Info

Publication number
IL40041A
IL40041A IL40041A IL4004172A IL40041A IL 40041 A IL40041 A IL 40041A IL 40041 A IL40041 A IL 40041A IL 4004172 A IL4004172 A IL 4004172A IL 40041 A IL40041 A IL 40041A
Authority
IL
Israel
Prior art keywords
screen
combined pump
contamination
cavity
chamber
Prior art date
Application number
IL40041A
Other versions
IL40041A0 (en
Original Assignee
Sundstrand Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sundstrand Corp filed Critical Sundstrand Corp
Publication of IL40041A0 publication Critical patent/IL40041A0/en
Publication of IL40041A publication Critical patent/IL40041A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B5/00—Other centrifuges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B5/00—Other centrifuges
    • B04B5/12—Centrifuges in which rotors other than bowls generate centrifugal effects in stationary containers

Landscapes

  • Centrifugal Separators (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Claims (7)

1. A combined pump and self-cleaning centrifugal contamination separator comprising: a housing having a longitudinal axis and enclosing a cavity which is generally symmetrical about said axis; an inlet in said housing communicating with said cavity and for receiving fluid subject to contamination by the presence therein of undesirable suspended solid particles a stationary c lindrical particle barrier screen fixed with respect to said housing and coaxial with said cavity, for providing within said cavity an inner chamber radially inward of said barrier screen and an oute generally annular chamber radially outward of and encircling said screen, said barrier screen having a smooth external surface; a first discharge outlet in said housing communicating with said inner chamber; a second dischange outlet in said housing communicating with said outer chamber; a rotating centrifugal imepller within said cavity for pumping fluid from the inlet to the outlets, the impeller having a plurality of vanes revolving in the outer chamber for spinning the contaminated fluid around the outer chamber, thereby washing the external surface of the screen to prevent solid contaminants from collecting therein and adhering thereto, the solid contaminants centrlfuging radially outward to facilitate the separation aid removal through said second discharge out while clean. fluid passes inward through said barrier screen to said irst discharge outlet.
2. The combined pump and contamination separato according to Claim 1, in which said barrier screen separates ί and forms a common boundary between said inner and outer chambers ·
3. The combined pump and contamination separator according to claim 1, in which said barrier screen is of the washed flow type and in which any contaminants that may settle on the external surface of the washed flow screen, during shut down when said impeller ceases rotation, are removed therefrom by the spinning fluid when rotation resumes and full operating speed is reached.
4. The combined pump and contamination separator according to claim 1, in which said inner chamber is generally symmetrical around said longitudinal axis.
5. The combined pump and contamination separator according to claim 1, in which the separated contaminants pass through a cylindrical louvered screen rigidly affixed to said impeller and revolving in said outer annular chamber.
6. The combined pump and contamination separator according to claim 1, in which said cavity, said inlet, said bar rier screen, said outer annular chamber and said impeller all share the same common axis.
7. Ά; combined pump and self-cleaning centrifugal contamination separator substantially as herein described with reference to the accompanying drawings. For the Applicants DR. RBNHOLD COHN AND PARTNERS
IL40041A 1971-08-04 1972-08-01 A combined pump and centrifugal contamination separator IL40041A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16893371A 1971-08-04 1971-08-04

Publications (2)

Publication Number Publication Date
IL40041A0 IL40041A0 (en) 1972-10-29
IL40041A true IL40041A (en) 1976-03-31

Family

ID=22613562

Family Applications (1)

Application Number Title Priority Date Filing Date
IL40041A IL40041A (en) 1971-08-04 1972-08-01 A combined pump and centrifugal contamination separator

Country Status (5)

Country Link
JP (1) JPS5610475B2 (en)
DE (1) DE2235925C3 (en)
FR (1) FR2149883A5 (en)
GB (1) GB1352655A (en)
IL (1) IL40041A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4036427A (en) * 1975-06-06 1977-07-19 Kobe, Inc. Combination pitot pump and centrifugal separator
JPS6033583U (en) * 1983-08-11 1985-03-07 新日本製鐵株式会社 link type hanging device
JPS628283U (en) * 1985-06-28 1987-01-19
GB2210297A (en) * 1987-09-26 1989-06-07 Mervyn Joseph Duggan Centrifuge-pump
JPH05321867A (en) * 1992-05-25 1993-12-07 Sanko Pump Seisakusho:Kk Complex impeller formed by integrating mixed flow blade and centrifugal blade together
US5803100A (en) * 1995-08-25 1998-09-08 Whirlpool Corporation Soil separation channel for dishwasher pump system
US5779812A (en) * 1995-08-25 1998-07-14 Whirlpool Corporation Multi-mesh mechanical filter screen system for dishwashers
US5711326A (en) * 1995-08-25 1998-01-27 Whirlpool Corporation Dishwasher accumulator soil removal grating for a filter system
US5770058A (en) * 1995-09-29 1998-06-23 Whirlpool Corporation Centrifugal separator
US6349717B1 (en) 2000-10-05 2002-02-26 Whirlpool Corporation Oven rack system having cutout area and insert rack

Also Published As

Publication number Publication date
FR2149883A5 (en) 1973-03-30
GB1352655A (en) 1974-05-08
JPS4825264A (en) 1973-04-02
JPS5610475B2 (en) 1981-03-07
DE2235925C3 (en) 1980-01-31
DE2235925A1 (en) 1973-02-22
DE2235925B2 (en) 1979-05-31
IL40041A0 (en) 1972-10-29

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