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Publication numberUS791801 A
Publication typeGrant
Publication dateJun 6, 1905
Filing dateJul 21, 1904
Priority dateJul 21, 1904
Publication numberUS 791801 A, US 791801A, US-A-791801, US791801 A, US791801A
InventorsNorman Leinau
Original AssigneeJoseph B Seaman, Norman Leinau
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Carbureter for hydrocarbon-engines.
US 791801 A
Abstract  available in
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Claims  available in
Description  (OCR text may contain errors)

No; 791,801. 1 1113111311 JUNE 6,1905.



INVENTOI? cfi armaizllez'zzau UNITED STATES Patented June 6, 1905.



CARBURETEH FOR HYDROCARBON-ENGINES- SPECIFICATION forming part of Letters Patent No. 791,801, dated June 6, 1905.

Application filed July 21, 1904. Serial No. 217,585.

.To aZZ whom it may concern/.-

Be it known that 1, NORMANLEINAU, a citizen of the United States of America, and a resident of Ashbourne, in the county of Montgomery and State of Pennsylvania, have invented a new and Improved Carbureter for Hydrocarbon-Engines, of which the following is a full, clear, and exact description.

The invention relates to a hydrocarbon carbureter or vaporizer intended especially for usewith internal-combustion engines, but useful in other connections. The most prominent feature of my invention resides in a peculiarly-arranged mobile member driven by the air-current through the carbureter and connected with a means for forcing the liquid fuel into the air-passage of the carbureter, where it is by the aid of the said mobile member thoroughly commingled with the air on its way to the engine or other apparatus in connection with which the carbureter may be used. Preferably this said mobile member is in the form of a fan. rotated by the air-currents and having connection with a suitable pump placed in the fuel-passage and acting to force the liquid fuel through the discharge-nozzle into the airpassage in close association with the said fan.

The invention contains various other features of major or minor importance, all of which will be fully set forth hereinafter and pointed out in the claims.

Reference is had to the accompanying drawings, which illustrate as an example the preferred embodiment of my invention, and in which similar characters of reference indicate corresponding parts in both views.

Figure l is a vertical longitudinal section of the vaporizer or carbureter, and Fig. 2 is a horizontal section essentially onthe line 2 2 of Fig. 1.

0 indicates the float-chamber, having a float Z) of any desired form, this float operating the needle-valve c, which commands the flow offuel into the chamber a.

d indicates the walls forming the air-passage, d being the inlet and (Z the outl'et,-as

erating it.

provided/With a butterfly-valve 0, commanding the air-passage and attached to astem e, mounted to turn in the walls and having at its outer end a handle e or other means for op- The float chamber a communicates by aneck a with a tubular passage f, extending across the lower part of the airpassage and having an upwardly-extending branch f, through which the oil passes to a pump-chamber 9, located centrally in the airpassage. The floatband needle-valvecshould be so adjusted that the oil will be maintained in the pump chamber or casing g approximately at the level indicated by the broken line it in Fig. 1. Passing from the chamber g is an upwardly-discharging nozzle g, controlled by a valve This valve is preferably of the needle type and is threaded. in a nipple g on the nozzle 9. The head of the valve is fitted with a kerf to receive atool for operating the valve, and the walls 61 have an opening d therein facilitating the introduction ofsaid tool.

Within the casing gisa pump 6, which may. be of any desired type, but is preferably a fan or rotary pump, such as shown. Said pump is connected to a stem is, arranged to turn freely in a bearing 9*, rising from the casing g, and this stem 75 carries at its upper end a fan-propeller Z, the parts Z, is, and i turning together.

' In the operation of the apparatus the valve g should be opened, and upon a current of air being drawn through the air-passage the fan-propeller Z may be given a rotary movement, causing the pump '5 also to turn. Upon the operation of this pump the oil will be forced from the casing g'upward through and out of the nozzle where it will be taken up myself entitled to all such variations as may lie within the terms of my claims.

Having thus described my invention, I claim as new and desire to secure by Letters Patent- 1. A carbureter having walls forming an air-passage, walls forming a liquid-fuel passage discharging in the air-passage, a pump located in the fuel-passage, and a mobile member in connection with the pump and located in the air-passage between the fuel-discharge and the discharge of the air-passage, whereby said mobile member serves to drive the pump and to assist in atomizing the fuel.

2. A carbureter comprising walls forming an air-passage. walls forming a fuel-passage discharging into the air-passage, a rotary pump mounted in the fuel-passageto accelerate the fuel flow, and a propeller located in the air-passage and adapted to drive said rotary pump.

3. A carbureter comprising walls forming an air-passage, additional walls forming a fuelpassage extending into and discharging in the air-passage, said additional walls including a pump-chamber located in the air-passage, a rotary pump mounted in the chamber for the purpose specified, and a propeller located in the air-passageand connected with the pump.

4. A carbureter comprising walls forming an air-passage, walls forming a fuel-passage leading into the air-passage and including a pump-chamber, and a discharge-nozzle projecting from the pump-chamber. a pump located in the pump-chamber, and a propeller located in the air-passage opposite the said discharge-nozzle and connected with the pump.

5. A carburetor comprising walls forming an air-passage, walls forming a liquid-fuel passage discharging into the air-passage, a pump adapted to accelerate the fuel flow, and a rotary propeller connected with the pump to drive the same, and located in the air-passage between the fuel-discharge and the airpassage discharge.

6. A earbureter comprising walls forming an air-passage, walls forming a fuel-passage leading into the air-passage and including a pump-chamber, a nozzle projecting therefrom, a bearing at one side of the pumpchamber, a stem revolubly mounted on the bearing, a pump located in the pump-chamher and connected to the stem, and a fan-propeller attached to the stem and located in the air-chamber opposite the fuel-discharge nozzle.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses NORMAN LEINAU.



Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US4351783 *May 26, 1981Sep 28, 1982Bennett Donald GCombustion fuel and air flow control and mixer apparatus
US4726342 *Jun 30, 1986Feb 23, 1988Kwik Products International Corp.Fuel-air ratio (lambda) correcting apparatus for a rotor-type carburetor for integral combustion engines
US4869850 *Dec 29, 1987Sep 26, 1989Kwik Products International CorporationRotor-type carburetor apparatus and associated methods
USRE33929 *May 12, 1988May 19, 1992Kwik Products International CorporationCentral injection device for internal combustion engines
Cooperative ClassificationF02M69/00