US1089275A - Throttling device for hydrocarbon-engines. - Google Patents

Description

J. L. SCHINDLER.

THROTTLING DEVICE FOR HYDROGARBON ENGINES APPLICATION FILED MAY 15, 1913.

Patented Ma1x3, 1914 wiM womw JOHN L. SGHINDLER, 0F FRIEND, OREGON.

THROTTLING DEVICE FOR HYDROCARBON-ENGINES.

Specification of Letters Patent.

Patented Mar. 3, 191%.

Application filed May 15, 1913. Serial No. 767,817.

To all whom it may concern:

Be it known that I, Join: L. Scnmnnnn, a. citizen of the United States, residing at Friend, in the county of VVasco and State of Oregon, have invented certain new and useful Improvements in 'lhrottling Devices for IIydrocarbon-Engines, of which the following is a specification.

Under certain conditions of service at the present time, it. is desirable that motor propelled vehicles be subject to definite control with'respect to speed whereby when the vehicle or its motor reaches a predetermined maximum speed any excess will be automatically cut off. Thus the operator of a motor vehicle may be forcibly required to keep within specitied limits of speed by the provision of means for cutting off the volume of charge of gas admitted to the engine when such limit is passed and to this end -my invention relates to that class of charge controlling devices adapted to be employed in conjunction vwith hydrocarbon engines, being preferably interposed between the carburetor and. the engine in the. intake manifold. I

My invention contemplates the provision of a governor operable by the suction of the charge through the manifold to auton'latically operate a throttle valve, when the pressure of the suction through 'the manifold reaches a predetermil'ied point. manually operable means cooperating with the go\"ernor aforesaid whereby the sensitiveness of its action may readily be controlled according to the predetermined limit of speed desired.

Figure l is a view in elevation showing the application of my throttling device to a hydrocarbon engine. .Fig. 2 is a longitudinal sectional view'through the device alone. F 3 is a transverse sectional view on the line 3-3.01? Fig. 2. Fig. 4 is a transverse sectional view on the line 4;-4 of Fig. 2. Fig; 5 is a View in elevation partly broken away and showing a slightly modilied form of construction of the shell casing for my device.

Throughout the following detail description, and on the several figures of the drawings, similar parts are referred to by like reference characters.

Specifically describing the preferred embodiu'icnt of my device, and referring to the drawing, the numeral 1. designates a shell or casing which for purposes of convenient access to the interior is preferably composed of twosections having threaded connection as indicated at 2. As shown in the drawing the ends of the casing 1. taper, though it will he understood that 1 need not be limited to the exact shape or configuration of this particular feature of the device.

Mounted within the casing 1 and atone end of thesame, on a longitudinally extending shaft 3. is a fan 4- constituting a governor as will be more a n'iarent as this description proceeds. the fan being fixedly secured to' the shaft 3 which has its bearing in a suitable tranxversc bar 5 adjacent one end of the casing, the other end of said shaft being similarly mounted for rotation in the hearing (3 at the opposite end portion of the shell. The bearing member (3 just mentioned is suitably formed to constitute a partial closure of the passage through the casing 1 and fixedly mounted upon the shaft 3 directly adjacent this hearing 0. and preferably at the outer side of the same, is a shutter 7 adapted when partially rotated to more or less close the passage through the casing in its cooperation with the bearing 0 aforesaid. peaking more specifically, it will be understood that approximately a quarter turn of the shutter or valve 7 will be suiiicient to entirely close this passage when complete throttling of the charge being drawn through the same is effected.

Extending transversely through the easing or shell 1 is an operating rod 8 terminating exterior to the casing in a crank handle 9 for manipulation of the rod, said rod the bearing bar 5.

having secured thereto Within the casing a worm 10 with which meshes a pinion l1 loosely mounted upon the shaft 3 adjacent To this pinion 11 is fastened one end of a spiral spring 12 which surrounds the shaft 3 and is in turn secured at its other end to said shaft, whereby upon turning the rod 8 tension will be placed upon the shaft and the parts fixed thereto, the tendency being to hold the shut- :ter or valve in its normally open position permitting passage of the fuel or charge through the casing. It will be noted by reference to Fig. 3 that the bearing is prefis erably formed with opposing projections or stops 13 which are adapted to limit the ro' "tative movement of the valve both in its open and closed positions.

Describing the operation of the invention and illustrating its adaptation, it is to' be understood that the casing 1 with its com tents is to be disposed in the intake manifold ll of a hydrocarbon engine 15 adjacent the carbureter 16. It will be further obvious that the intake manifold itself may be employed to constitute the casing for holding the governor at, the valve 7 and other cooperating parts it being my idea, however, to employ a casing such herein described in order that the device may be applied to engines not initially furnished with the throttle control. As the mixture is drawn by the engine Tom the carburetor through the intake manifold letit passes through the casing l and the opening 17 at the valve end of the same. hen the suction created by the speed at which the engine is operated reaches a pressure which is sufli'cient to overcome the tension of the spring 12 on the aft 3 the governor will be operated, because of its fan-like formation, or tend to revolve and in its revolution it carries the valve 7 around. so as to reduce the operative area of the openings 13'' in the passage. When the pre sure becomes suflicient to entirely overcome the tension of the spring the valve '7 will move to a position against the stops thereby entirely throttling the engine and forcibly reducing the speed until the suction in the pipe reduces and allows the shutter to again open the passage through the n'ianifold. The turning or manipulation of the operating rod 8 controls the amount of tension placed upon the shaft and necessarily the time at which the pressure commences to opemte the fan and its cooperating valve 7, In this manner it will. be. obvious that the device may be set to 4 throttle the speed of the engine at predeterof speed it would only be necessary to ma nipulate the operating rod 8 and thereby place a predetermined amount of tension upon the shaft 3 through the medium of the spring 12. If subsequently the operator exceeded the speed limit his engine would be automatically throttled thereby effecting an advantageous as well as forcible control of speed. Another advantage will be apparent in that racing of the engine would be eliminated by the use of this device beyond a certain speed.

The simplicity of the. throttling device is another advantage as it may be very cheaply manufactured and installed upon any hydrocarbon engine in cooperation with its intake manifold. To facilitate the installation in the manifolds of certain engines, it

1. In throttling devices for hydrocarbon.

engines, the combination of a casing, a longitudinal shaft mounted in said casing, a throttling valve fixedly secured to one end of the shaft, a governor fixedly secured to the shaft at its other end in spaced relation to the valve and adapted to be operated by suction through the casing whereby the valve may be moved to regulate the operative area of the opening through said passage, a manually operable rod extending transversely through the casing, and a spring mounted upon the shaft intermediate the valve and governor and operably connected with the manually operable rod whereby to place said spring under predetermined tension normally preventing 210- tion of the governor and valve until a predetermined pressure of suction through said passage is reached.

In throttling devices for hydrocarbon engines, the combination of a casing, a longit-udinal shaft mounted in said casing, a frame removably inserted in the casing and comprising spaced bearings for said shaft, one of said bearings constituting a partial closure for the passage through the cas ing, a fan governor fixedly mounted at one end of said shaft, and a throttle valve fixedly secured to the other end of the shaft, said valve being adapted to cooperate with the bearing closure aforesaid to regulate the operative area of the opening through the casing, a spring surrounding the shaft between the fan and the valve and connected to said shaft at one end, a pinion loosely mounted upon said shaft and connected with said spring at the other end, and a manipulating rod extending transversely of the eas ing and having; a worm thereon to engage the pinion aforesaid whereby to place the spring under tension upon rotation of the manipulating rod.

in testimony whereof I afiix my signature in preeence of two witnesses. I

JOHN L, SO'i'IINDLEH.

imes-see J. 1*). JOHNSON, THEO. BUSKUHL.

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