US2542902A - Water pump - Google Patents

Water pump Download PDF

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Publication number
US2542902A
US2542902A US644560A US64456046A US2542902A US 2542902 A US2542902 A US 2542902A US 644560 A US644560 A US 644560A US 64456046 A US64456046 A US 64456046A US 2542902 A US2542902 A US 2542902A
Authority
US
United States
Prior art keywords
pump
impeller
cavity
seal
ramp
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
US644560A
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English (en)
Inventor
Horace A Chubbuck
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ford Motor Co
Original Assignee
Ford Motor Co
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 Ford Motor Co filed Critical Ford Motor Co
Priority to US644560A priority Critical patent/US2542902A/en
Priority to ES176530A priority patent/ES176530A1/es
Application granted granted Critical
Publication of US2542902A publication Critical patent/US2542902A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/445—Fluid-guiding means, e.g. diffusers especially adapted for liquid pumps

Definitions

  • This invention is directed to a liquid pump, and more particularly to a centrifugal water pump.
  • This invention will be particularly described in connection with a coolant circulating pump on an internal combustion engine, but is by no means so limited and is capable of use in any application requiring a pump of similar characteristics.
  • An object of this invention is to provide a pump the discharge of which is free from pulsations and oscillations.
  • Another object of this invention is to provide a pump 01' high efliciency particularly at high speeds and when pumping water the temperature 01' which closely approximates the boiling point.
  • Figure 1 is a plan view with parts broken away of the pump housing.
  • Figure 2 is an elevation of the pump housing.
  • Figure 3 is a central longitudinal vertical section oi a completed pump.
  • Figure 4 is a plan view of the pump impeller.
  • Figure 5 is a perspective view partially broken away of the pump housing.
  • Figure 6 is a section taken in Figure 4.
  • FIG. 3 there is shown a vertical section of the pump and the associated driving mechanism.
  • the pump casing is generall indicated by In.
  • This casing is usually an iron casting and is provided with an impeller cavity I 3, an inlet I, an inlet cavity IS, a separator l6 and separator opening I! leading into discharge cavity [8.
  • This casing is further provided with a heater connection 24 threaded to receive a hot water heater fitting, a seal opening 34 which accommodates a seal 21 and an opening l2 into which is pressed ball bearing 26 which carries shaft 25.
  • This shaft 25 carries on one end an impeller 2
  • the pump seal is generally indicated at 21 and is pressed into seal opening 34.
  • This seal comprises a metal seal casing 35 which is pressed into seal opening 34 and which carries elastomer seal bellows 28.
  • Graphite sealing ring is attached to elastomer seal bellows 29 and urged towards the left by coil seal spring 28. This seal cooperates with face 31 of impeller hub 36 ( Figures 4 and 6).
  • inlet cavity I5 is an nular or doughnut shaped.
  • Applicant has modified the configuration of inlet cavity I 5 by inserting ramp 2! as shown most clearly in Figure 5
  • the exterior outline of ramp 2!! is shown in Figure 2.
  • This deflecting ramp covers about one hundred twenty degrees around the periphery of inlet cavity 15 and in this one hundred twenty degrees slopes from the rear to the front of inlet cavity l5. Any tendency of the water to rotate in inlet cavity l5 causes a flow along the slope of ramp 20 and directly into impeller cavity l3. 5
  • Figures 1, 2 and 5 show face H which is bolted tightly against a mating face on the engine block (not shown) by bolts placed in bolt holes 38.
  • bypass l9 leading directly from inlet cavity IE to the engine block. The object of this bypass is to prevent the development of hot spots in the engine during the warming-up period while normal circulation through the radiator is cut off by the engine thermostats. During normal operation circulation through bypass I9 is prevented by a valve action of the thermostats and all circulation is through the radiator.
  • Figures 4 and 6 depict in detail a preferred form of impeller.
  • Figure 4 is a plan view showing full blades 22, half blades 23 and impeller hub face 31.
  • Figure 6 is a sectional view taken along the line 8-6 of Figure 4. This figure shows full blades 22, impeller hub 36 and impeller hub face 31.
  • test set up was established in which the pumps to be tested were caused to pump hot water in a circuit containing a number 11 orifice having a diameter of eleven-sixteenths of an inch. Pumping 200 F. water, the
  • vmaximum pressure drop across the orifice with the modified pump was found to be 17.8 pounds per square inch at 5425 R. P. M.
  • a standard pump with the same impeller also working on 200 F. water reached a maximum pressure of 11.1 pounds per square inch at 4900 R. P. M., and
  • a centrifugal coolant pump for internal combustion engines comprising an impeller chamber, an intake cavity, a rotating member in the intake cavity whose diameter is a substantial fraction of the intake cavity diameter and which is exposed directly to the coolant therein, a ramp in the intake cavity, and a separator disposed between the impeller chamber and the intake cavity, the direction of the slope of said ramp being such that coolant rotating with the shaft in the intake cavity will be given an axial component of motion towards the impeller chamber, the separator be-,- ing so arranged that no axial flow is possible from said ramp into the impeller chamber except by passing around the inner periphery of the separator.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
US644560A 1946-01-31 1946-01-31 Water pump Expired - Lifetime US2542902A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US644560A US2542902A (en) 1946-01-31 1946-01-31 Water pump
ES176530A ES176530A1 (es) 1946-01-31 1947-01-25 Perfeccionamientos en bombas centrífugas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US644560A US2542902A (en) 1946-01-31 1946-01-31 Water pump

Publications (1)

Publication Number Publication Date
US2542902A true US2542902A (en) 1951-02-20

Family

ID=24585425

Family Applications (1)

Application Number Title Priority Date Filing Date
US644560A Expired - Lifetime US2542902A (en) 1946-01-31 1946-01-31 Water pump

Country Status (2)

Country Link
US (1) US2542902A (es)
ES (1) ES176530A1 (es)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2711919A (en) * 1951-06-22 1955-06-28 Harry Frankel Sealing unit
US3162136A (en) * 1959-11-17 1964-12-22 Thompson Ramo Wooldridge Inc Centrifugal type pumps
US3411451A (en) * 1966-03-05 1968-11-19 Westablissements Neyrpic Centrifugal pump inlet elbow
US3540833A (en) * 1968-07-01 1970-11-17 Borg Warner Mechanical seal
US3720478A (en) * 1971-09-22 1973-03-13 Daimler Benz Ag Pump unit consisting of pressure oil pump and oil reservoir, especially for servo-steering systems
US3796510A (en) * 1971-07-31 1974-03-12 Kugelfischer G Schaefer & Co Shaft mounting for water pumps and the like
US4799857A (en) * 1986-11-29 1989-01-24 Klein, Schanzlin & Becker Aktiengesellschaft Casing for fluid flow machines
WO1989004925A1 (en) * 1987-11-23 1989-06-01 Sundstrand Corporation Centrifugal liquid pump
US4911610A (en) * 1987-05-14 1990-03-27 Skf Gmbh Drive mechanism for pumps
EP2607705A1 (en) * 2011-12-19 2013-06-26 FPT Industrial S.p.A. Device for water circulation in a cooling circuit of an internal combustion engine
US9927017B2 (en) * 2015-04-17 2018-03-27 Aktiebolaget Skf Sheave for guiding rope in an industrial machine

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1817169A (en) * 1929-11-11 1931-08-04 Schwitzer Cummins Company Water pump
US2001369A (en) * 1931-05-04 1935-05-14 Borg Warner Circulating pump

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1817169A (en) * 1929-11-11 1931-08-04 Schwitzer Cummins Company Water pump
US2001369A (en) * 1931-05-04 1935-05-14 Borg Warner Circulating pump

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2711919A (en) * 1951-06-22 1955-06-28 Harry Frankel Sealing unit
US3162136A (en) * 1959-11-17 1964-12-22 Thompson Ramo Wooldridge Inc Centrifugal type pumps
US3411451A (en) * 1966-03-05 1968-11-19 Westablissements Neyrpic Centrifugal pump inlet elbow
US3540833A (en) * 1968-07-01 1970-11-17 Borg Warner Mechanical seal
US3796510A (en) * 1971-07-31 1974-03-12 Kugelfischer G Schaefer & Co Shaft mounting for water pumps and the like
US3720478A (en) * 1971-09-22 1973-03-13 Daimler Benz Ag Pump unit consisting of pressure oil pump and oil reservoir, especially for servo-steering systems
US4799857A (en) * 1986-11-29 1989-01-24 Klein, Schanzlin & Becker Aktiengesellschaft Casing for fluid flow machines
US4911610A (en) * 1987-05-14 1990-03-27 Skf Gmbh Drive mechanism for pumps
US4880352A (en) * 1987-11-23 1989-11-14 Sundstrand Corporation Centrifugal liquid pump
WO1989004925A1 (en) * 1987-11-23 1989-06-01 Sundstrand Corporation Centrifugal liquid pump
GB2226082A (en) * 1987-11-23 1990-06-20 Sundstrand Corp Centrifugal liquid pump
GB2226082B (en) * 1987-11-23 1991-09-04 Sundstrand Corp Centrifugal liquid pump
EP2607705A1 (en) * 2011-12-19 2013-06-26 FPT Industrial S.p.A. Device for water circulation in a cooling circuit of an internal combustion engine
WO2013092603A1 (en) * 2011-12-19 2013-06-27 Fpt Industrial S.P.A. Device for water circulation in a cooling circuit of an internal combustion engine
CN103998788A (zh) * 2011-12-19 2014-08-20 Fpt工业股份公司 用于内燃发动机冷却回路中的水循环的装置
US9341103B2 (en) 2011-12-19 2016-05-17 Fpt Industrial S.P.A. Device for water circulation in a cooling circuit of an internal combustion engine
US9927017B2 (en) * 2015-04-17 2018-03-27 Aktiebolaget Skf Sheave for guiding rope in an industrial machine

Also Published As

Publication number Publication date
ES176530A1 (es) 1947-03-01

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