US1885933A - Boat meter - Google Patents
Boat meter Download PDFInfo
- Publication number
- US1885933A US1885933A US313291A US31329128A US1885933A US 1885933 A US1885933 A US 1885933A US 313291 A US313291 A US 313291A US 31329128 A US31329128 A US 31329128A US 1885933 A US1885933 A US 1885933A
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- US
- United States
- Prior art keywords
- boat
- tube
- inlet
- passage
- pressure
- 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
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-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/02—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring forces exerted by the fluid on solid bodies, e.g. anemometer
Definitions
- the numeral 1 designates a portion of a boat hull, preferably near the indicates the direction in which the boat is usually traveling.
- the bore 4 is shown as having an extension beyond the point where 1t intersects the bore 3, and this extension reaches the outside of the fitting and has threaded therein the stem 9 of a valve which may be operated by the handle 10.
- This valve is shown as being of the needle type with the point thereof adjacent the intersection between the two bores,
- the fitting may be secured to the hull by bolts 11 passing through flanges on the fitting, and through a plate 12 disposed on the outside of the hull.
- the load water line of the boat is indicated by the line 13, and the fitting just described is disposed below that water line.
- an indicator designated generally by the numeral 14 Disposed above this water line is an indicator designated generally by the numeral 14, and this indicator may be any of the usual kinds for showing the speed at which the boat is traveling.
- the indicator is operated by the pressure in a tube 15 connecting the indicator to the fitting in the bottom of the boat. This tube is connected to a bore 16 communicating with the passage formed by the bores 3 and 4.
- I claim 1 In combination a boat hull having two openings therein, a tube projecting from one opening and forming an inlet and the other forming an out-let for water when the boat is in motion, means forming a passage connect ing said inlet and outlet, a pressure tube communicating at one end with said passage between said inlet and outlet, an indicator connect'ed to said tube and adapted to be operated by the pressure in said tube, and a valve controlling the fi'ow area of said passage.
- a boat hull having two erated by the pressure in said 3 ated by the pressure in said openings therein, a tube projectin from one opening and forming an inlet an the other forming an outlet for water when the boat is in motion, means forming a passage connecting said inlet and outlet, a pressure tube communicating at one end with said passage between said inlet and outlet, an indicator connected to said tube and adapted to be operated by the pressure in said tube, and means to adjust said pressure.
- a boat hull having two openings therein, a tube projecting from one opening and forming an inlet and the other forming an outlet for Water when the boat is in motion, a fitting secured on the inside of the hull and having a passage therethrough oonnectin said inlet and outlet, a pressure operated Indicator disposed in the boat, a pressure tube connected at one end to said lndicator and communicating at the other end the passage in said fitting, and a valve havin threaded engagement with said fitting and afiapted to vary the flow area of said passa l fii combination, a boat hull having two openings therein, a tube projecting from one opening and forming an inlet and the other forming an outlet for water when the boat is inmotion, a fitting secured on the inside of QB, the hull and having two intersecting bores therein forming a passage connecting said inlet and outlet, one of said bores having an extension beyond said intersection, and a valve threaded in said extension and adapted to vary the
- a boat hull having two openings therein, a tube projecting from one opening and forming an inlet and the other forming anoutlet for water when the boat is in motion, means forming a passage connectinlet and outlet, an indicator disposed within the hull and above the load water line, a tube connecting the indicator to means, and a valve adapted to admit or discharge air from the tube.
- a boat hull having two openings therein, a tube projecting-from one opening and forming an inlet and the other forming an outlet for water when the boat is in motion, means forming a passage connecting said inlet and outlet, a pressure tube communicating at one end with said passage be tween said inlet and outlet, and an indicator connected to said tube and adapted to be optube.
- a boat hull having two openings therein, a tube projecting from one opening and forming an inlet and the other forming an outlet for water when the boat is Q inmotion, means forming a passage connecting said inlet and outlet, a pressure tube communicating at one end with said passage between said inlet and outlet, an indicator connected to said tube and adapted to be opertube, and avalve constructed and arranged to control the pressure in said second tu 8.
- a boat hull having two openings therein, a tube projectin from one opening and forming an inlet an the other forming an outlet for water when the boat is in motion, means forming a passage connecting said inlet and outlet, a pressure tube communicating at one end with said passage between said inlet and outlet, an indicator connected to said tube and adapted to be operated by the pressure in said tube, a valve controlling the flow area of said passage, and a valve constructed and arranged to control the pressure in said second tube.
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Description
I. w. MASTERS Nov. 1, 1932.
BOAT METER Filed Oct. 18, 1928 LWL L w L Patented Nov. 1, 1932 UNITED STATES PATENT OFFICE IRVIN W. MASTERS, OF NEWARK, NEW JERSEY, ASSIGNOR TO THE NATIONAL LOCK -WASHER COMPANY, OF NEWARK, NEW JERSEY, A. CORPORATION OF NEW JERSEY BOAT METER Application filed October 18, 1928. Serial No. 313,291.
This invention relates to improvements in boat meters and will be best understood from the following description and the annexed drawing, in which I have shown a selected embodiment of the invention. In the drawing, there is shown a diagrammatic view of the invention as applied to a boat hull.
In the drawing, the numeral 1 designates a portion of a boat hull, preferably near the indicates the direction in which the boat is usually traveling.
The bore 4 is shown as having an extension beyond the point where 1t intersects the bore 3, and this extension reaches the outside of the fitting and has threaded therein the stem 9 of a valve which may be operated by the handle 10. This valve is shown as being of the needle type with the point thereof adjacent the intersection between the two bores,
so that adjustment of the valve will serve to vary the flow area of the passage which is formed by the two bores 8 and 4. The fitting may be secured to the hull by bolts 11 passing through flanges on the fitting, and through a plate 12 disposed on the outside of the hull.
The load water line of the boat is indicated by the line 13, and the fitting just described is disposed below that water line. Disposed above this water line is an indicator designated generally by the numeral 14, and this indicator may be any of the usual kinds for showing the speed at which the boat is traveling. The indicator is operated by the pressure in a tube 15 connecting the indicator to the fitting in the bottom of the boat. This tube is connected to a bore 16 communicating with the passage formed by the bores 3 and 4. When the boat is at rest, the water will normally rise in the tube 15 as high as the load water line, and when the boat is inmotion, a
pressure is induced by the flow of water through the inlet, the passage in the fitting,
and the outlet. This pressure is transmitted to the water in the tube 15 and consequently to the indicator 14. By operation of the valve 9., the amount of pressure transmitted to the water in the tube 15 may be accurately regulated, so that the indicator will show the correct speed. There are a number of conditions, any one or all of which may affect the operation of the indicator, and which it is practically impossible to foresee when assembling the apparatus disclosed in this application. These conditions vary with difierent boats in which the apparatus is installed, and the valve 9 furnishes a device by means of which the pressure may be acourately regulated at the time the installation of the apparatus in the boat is made.
. Pressure in the tube 15 is transmitted .to the indicator through a passage 17 in a fitting 18, and this passage is provided with an air vent 19 controlled by a needle valve QO-threaded into the fitting and operable by a handle 21. This valve is used to release air from the tube 15 above the load water line, so as to permit water to rise to that line when the boat is at rest. In other words, this valve is provided in order to prevent air under pressure accumulating in the tube 15 above the water line, which of coursewould result in false indication on the face of the indicator.
While Ihave illustrated and described a specific embodiment of the invention, it is to be understood that I contemplate other embodinients which may come within the scope of the appended claims.
I claim 1. In combination a boat hull having two openings therein, a tube projecting from one opening and forming an inlet and the other forming an out-let for water when the boat is in motion, means forming a passage connect ing said inlet and outlet, a pressure tube communicating at one end with said passage between said inlet and outlet, an indicator connect'ed to said tube and adapted to be operated by the pressure in said tube, and a valve controlling the fi'ow area of said passage.
' 2. In combination, a boat hull having two erated by the pressure in said 3 ated by the pressure in said openings therein, a tube projectin from one opening and forming an inlet an the other forming an outlet for water when the boat is in motion, means forming a passage connecting said inlet and outlet, a pressure tube communicating at one end with said passage between said inlet and outlet, an indicator connected to said tube and adapted to be operated by the pressure in said tube, and means to adjust said pressure.
3. In combination, a boat hull having two openings therein, a tube projecting from one opening and forming an inlet and the other forming an outlet for Water when the boat is in motion, a fitting secured on the inside of the hull and having a passage therethrough oonnectin said inlet and outlet, a pressure operated Indicator disposed in the boat, a pressure tube connected at one end to said lndicator and communicating at the other end the passage in said fitting, and a valve havin threaded engagement with said fitting and afiapted to vary the flow area of said passa l fii combination, a boat hull having two openings therein, a tube projecting from one opening and forming an inlet and the other forming an outlet for water when the boat is inmotion, a fitting secured on the inside of QB, the hull and having two intersecting bores therein forming a passage connecting said inlet and outlet, one of said bores having an extension beyond said intersection, and a valve threaded in said extension and adapted to vary the flow area of said passage.
7 5. In combination, a boat hull having two openings therein, a tube projecting from one opening and forming an inlet and the other forming anoutlet for water when the boat is in motion, means forming a passage connectinlet and outlet, an indicator disposed within the hull and above the load water line, a tube connecting the indicator to means, and a valve adapted to admit or discharge air from the tube.
6. In combination, a boat hull having two openings therein, a tube projecting-from one opening and forming an inlet and the other forming an outlet for water when the boat is in motion, means forming a passage connecting said inlet and outlet, a pressure tube communicating at one end with said passage be tween said inlet and outlet, and an indicator connected to said tube and adapted to be optube.
In combination, a boat hull having two openings therein, a tube projecting from one opening and forming an inlet and the other forming an outlet for water when the boat is Q inmotion, means forming a passage connecting said inlet and outlet, a pressure tube communicating at one end with said passage between said inlet and outlet, an indicator connected to said tube and adapted to be opertube, and avalve constructed and arranged to control the pressure in said second tu 8. In combination, a boat hull having two openings therein, a tube projectin from one opening and forming an inlet an the other forming an outlet for water when the boat is in motion, means forming a passage connecting said inlet and outlet, a pressure tube communicating at one end with said passage between said inlet and outlet, an indicator connected to said tube and adapted to be operated by the pressure in said tube, a valve controlling the flow area of said passage, and a valve constructed and arranged to control the pressure in said second tube.
IRVIN W. MASTERS.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US313291A US1885933A (en) | 1928-10-18 | 1928-10-18 | Boat meter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US313291A US1885933A (en) | 1928-10-18 | 1928-10-18 | Boat meter |
Publications (1)
Publication Number | Publication Date |
---|---|
US1885933A true US1885933A (en) | 1932-11-01 |
Family
ID=23215144
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US313291A Expired - Lifetime US1885933A (en) | 1928-10-18 | 1928-10-18 | Boat meter |
Country Status (1)
Country | Link |
---|---|
US (1) | US1885933A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2627181A (en) * | 1947-09-05 | 1953-02-03 | Elmer C Kiekhaefer | Outboard motor speedometer |
US2946221A (en) * | 1953-07-14 | 1960-07-26 | Power Jets Res & Dev Ltd | Stator blade mounting of condition sensing elements in fluid flow machines |
US3095738A (en) * | 1960-12-13 | 1963-07-02 | William G Salo | Marine speedometers |
US3126738A (en) * | 1964-03-31 | Marine speedometer | ||
US3327530A (en) * | 1965-01-04 | 1967-06-27 | Franklin P Lepird | Marine speedometer |
US3978725A (en) * | 1976-01-07 | 1976-09-07 | Robert Hain Associates, Inc. | Speedometer particularly for water skis |
-
1928
- 1928-10-18 US US313291A patent/US1885933A/en not_active Expired - Lifetime
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3126738A (en) * | 1964-03-31 | Marine speedometer | ||
US2627181A (en) * | 1947-09-05 | 1953-02-03 | Elmer C Kiekhaefer | Outboard motor speedometer |
US2946221A (en) * | 1953-07-14 | 1960-07-26 | Power Jets Res & Dev Ltd | Stator blade mounting of condition sensing elements in fluid flow machines |
US3095738A (en) * | 1960-12-13 | 1963-07-02 | William G Salo | Marine speedometers |
US3327530A (en) * | 1965-01-04 | 1967-06-27 | Franklin P Lepird | Marine speedometer |
US3978725A (en) * | 1976-01-07 | 1976-09-07 | Robert Hain Associates, Inc. | Speedometer particularly for water skis |
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