US3654637A - Flush tank apparatus - Google Patents
Flush tank apparatus Download PDFInfo
- Publication number
- US3654637A US3654637A US3654637DA US3654637A US 3654637 A US3654637 A US 3654637A US 3654637D A US3654637D A US 3654637DA US 3654637 A US3654637 A US 3654637A
- Authority
- US
- United States
- Prior art keywords
- tank
- water
- inlet valve
- lever
- tube
- 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
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 143
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 230000009977 dual effect Effects 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 abstract description 29
- 238000010276 construction Methods 0.000 description 8
- 239000013256 coordination polymer Substances 0.000 description 8
- 239000008186 active pharmaceutical agent Substances 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000009825 accumulation Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000004941 influx Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000009191 jumping Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/18—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float
- F16K31/20—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float actuating a lift valve
- F16K31/24—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float actuating a lift valve with a transmission with parts linked together from a single float to a single valve
- F16K31/26—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float actuating a lift valve with a transmission with parts linked together from a single float to a single valve with the valve guided for rectilinear movement and the float attached to a pivoted arm
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D1/00—Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
- E03D1/30—Valves for high or low level cisterns; Their arrangement ; Flushing mechanisms in the cistern, optionally with provisions for a pre-or a post- flushing and for cutting off the flushing mechanism in case of leakage
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/86348—Tank with internally extending flow guide, pipe or conduit
- Y10T137/86372—Inlet internally extending
Definitions
- ABSTRACT Relates to flush tank mechanism for a toilet bowl.
- the flush tank houses, in addition to a conventional flush valve, a water inlet valve and an elongated lever having a built-in channel substantially throughout its length for feeding water incoming through said valve to the flush tank.
- a float is physically coupled to the free end or front end of the elongated lever and the float includes an open-ended chamber for receiving water from the channel of the lever, but the water is discharged from the chamber through an aperture therein.
- the channel of the lever provides one path for the incoming water reaching the tank while a hush tube, also coupled to the inlet water valve, provides a second path for incoming water.
- the lever is cou' pled to the inlet valve by geared members and they are operated to translate the notary motion of the lever into linear motion to close the inlet valve.
- This invention relates to structures and fittings for a flush tank of the type that is used with a toilet bowl. More particularly, this invention relates to novel and improved mechanisms for controlling the flow of water into a flush tank and for releasing and discharging water from the flush tank into the toilet bowl.
- the flush tank usually associated with the conventional toilet bowl serves as a reservoir for a limited or predetermined quantity of water.
- the flush tank is generally filled to its assigned capacity and the water is later discharged from the flush tank into the toilet bowl as may be required to empty the contents of the toilet bowl.
- Water is usually allowed to enter the conventional flush tank from the local or city water supply system so as to fill the tank to the desired level at a fairly slow rate.
- the fittings and equipment for a flush tank have been standardized for a long time with relatively little change in their general construction or operation.
- the fittings are metallic and have remained metallic. They usually comprise a supply inlet valve to control the entrance or influx of water into the flush tank from the local water supply; a tank refill or hush tube which is designed to conduct water from the supply inlet valve into the flush tank when it is to be filled; an overflow preventer, usually in the form of a standing tube or pipe, serving not only to discharge any excessive supply of incoming water into the toilet bowl to prevent overflowing of the flush tank and flooding of the bathroom, but serving also as a safety device to prevent the water fed into the flush tank from being returned to the local water supply system to contaminate it; and a flush valve, generally including a disc mechanism, for coupling the flush tank to the toilet bowl, the disc mechanism being lifted from time to time in response to the operation of the control knob or lever to release the water accumulated in the flush tank into the toilet bowl to drive the contents of the toilet bowl into the sewer system
- One of the main objects of this invention is to improve the fittings for a flush tank and their construction so that the overall mechanism will be of superior reliability, of improved operational and functional characteristics and capable of filling the flush tank at a much more rapid rate.
- one of the objects will be to speed up the inflow of water into the flush tank so that repeated and efficient discharges of water from the flush tank may occur at more frequent intervals.
- Another of the principal objects of this invention is to improve the fittings and mechanism of the flush tank so that they will be lower in manufacturing cost and at the same time freer from problems requiring repair of maintenance.
- One of the features of this invention is the employment of simple plastic parts substantially throughout the entire construction.
- Still another of the objects of this invention involves the design and construction of parts making up the overall mechanism of the flush tank so that a relatively unskilled mechanic may readily disassemble the parts and repair or replace any of the parts.
- One of the parts of the mechanism for accomplishing this objective is a linear pin having a cap or head and a movable retainer bar, so arranged that the cap or head may be moved essential only when the retainer bar is deflected.
- the pin may be moved into its assigned position to serve for example, as a pivot or a pair of cooperating parts or, when desired, the retainer bar may again be deflected so that the head of the pin may be released to enable the pin to be lifted out of its position so as to uncouple the parts which are controlled or coupled by the pin.
- FIG. 1 shows a perspective of the exterior of the flush tank
- FIG. 2 illustrates a partial cut-away of the flush tank so as to reveal some of the internal construction of the mechanism incorporated therein
- FIG. 3 shows a top plan view of the flush tank with its cover removed
- FIG. 4 is a view of the internal tank mechanism when viewed along the lines 4-4 of FIG. 3 (with the tank cover in place):
- FIGS. 5, 6 and 7 show three respective views of the pin and retainer bar construction employed in this invention:
- FIG. 8 shows a front lateral view of the water supply inlet valve and the mechanism controlling its operation:
- FIG. 9 shows a side view the mechanism of FIG. 8;
- FIG. 9 shows a side view the mechanism of FIG. 8;
- FIG. 10 shows a top plan view of the mechanism of FIG. 9;
- FIG. 11 shows a front lateral vie of the plunger device of this invention and
- FIG. 12 a side view of said device:
- FIG. 13 shows a front lateral view of the rod lever control mechanism which is geared to the plunger device of FIGS. 11 and 12, and
- FIG. 14 shows a side view of the rod lever control mechanism:
- FIGS. 15 and 16 respectively illustrate a side elevation of certain parts of the water supply inlet valve and a side view of said parts;
- FIGS. 17 and 18 respectively illustrate side elevations of parts, corresponding to those of FIGS. 15 and 16, of an improved modification of said parts;
- FIG. 18a illustrates a partial top plan view of the FIG. 18 arrangement:
- FIG. 19 is a partial view taken from FIG. 2 to illustrate a divided hush tube: and
- FIG. 20 is a partial section taken along lines 2020 of FIG. 19. Throughout the drawing like parts will be designated by life reference characters.
- FIG. 1 generally illustrates a view of the external mechanism of the flush tank.
- the flush tank is designated FT, the cover CV: there are two control trip knobs, the upper one designated TNU and the lower one TNL.
- the water inlet pipe is designated IN and the supply or inlet opening or coupling is designated SI.
- the discharge opening or coupling D0 is connected by an appropriate pipe P to the toilet bowl (not shown in FIG. 1).
- water is supplied from the local water supply system through the inlet pipe IN to the flush tank FT.
- Either the upper trip knob TNU or the lower trip knob TNL may be pulled or manipulated so as to promptly release the water accumulated within the flush tank FT into the toilet bowl TB.
- FIG. 2 shows some of the more important components of the fittings and mechanism contained within the flush tank FT.
- the supply inlet coupling SI is connected to the water inlet valve IV.
- the opening and closing of the water inlet valve IV is controlled by a plunger PG which is geared to rod lever RL which in turn is adjustably coupled to a lever LV.
- the lever LV is coupled to the rod lever RL by means of a pivot pin LVX.
- the rod lever RL controls, by means of its toothed structure RLT, the movement of plunger PG which in turn controls the opening or closing of the valve IV, as well as the speed with which the valve IV is opened or closed.
- the lever LV will be moved axially about another pivot pin RLX so as to swing the plunger PG in a lateral direction to operate the inlet valve IV.
- the teeth RLT of rod lever RL mesh with the teeth PGT of plunger PG to impart lateral movement to the plunger to control the valve IV.
- Each angular displacement of lever LV is therefore accompanied by a corresponding movement of plunger PG and a corresponding change in the size of the opening of valve IV.
- the IV is positioned so that it enables water to enter from the inlet opening or coupling SI into a hush tube HT through which water is fed into the tank Fl.
- a similar inlet valve is disclosed in applicants U.S. Pat. No. 3,369,560, issued Feb. 20, 1968, entitled Flush Tank Refill Valve.
- the rotatable lever LV has a built-in water channel CN extending substantially throughout its length (see FIG. 3) which is coupled by means of a flexible refill tube RFT to the inlet valve IV.
- the water inlet valve IV When the water inlet valve IV is open, some of the incoming water will flow into the flexible refill tube RFT and through the channel CN of the lever LV to the supply or ballast chamber BL of the float FL.
- there are two separate and distinct passages for influent water one through the hush tube HT and the other through the flexible refill tube RFT and channel CN to the ballast chamber BL and then to the tank FT.
- the flush valve FV may be of a conventional type and it is shown in solid lines in FIG. 2. It is employed for controlling the main discharge of water from the flush tank FT through the discharge opening DO and pipe P into the toilet bowl TB. A somewhat more detailed description will now be provided as to the operation of the fluidic and mechanical arrangement broadly illustrated in FIG. 2.
- the flush valve generally designated F V which may be of any well-known construction, is preferably of the type shown and described in the I-Iurco et al. U.S. Pat. No, 2,773,267, issued Dec. 11, 1956, entitled Flush Valve.
- the flush valve FV includes a rotatable disc device D8 which, in its normally closed position, rests upon a weir or collar WR. When so positioned, water within the tank FT will be unable to traverse or break the seal established between the disc DS and the weir WR. When the water in tank FT is at its highest level, the float FL, which is affixed to lever LV, will be in its uppermost position as shown in FIG. 2, and the inlet valve IV will be closed.
- the separate knobs TNU and TNL may individually control the operation of the flush valve F V.
- One of the knobs TNU is coupled to and controls the left lobe or finger of the trip lever TF.
- the other knob TNL is mechanically coupled to and controls the right lobe or finger of the trip lever TF.
- the lower lobe or finger of the trip lever TF in turn controls the actuator F VT of the flush valve F V.
- the trip lever TF By pulling either of the knobs TNU or TNL, the trip lever TF will be rotated clockwise, tilting the actuator F VT from its normal position (shown in solid lines in FIG. 2) to its operated position (shown in dotted lines).
- the float FL attached to the lever LV will be in its lowermost position, as already mentioned. In this position the water inlet valve IV will be fully opened, permitting water to enter from the supply inlet SI at a rapid pace.
- the incoming water will flow in one path through the flexible tube RFT and channel CN to the ballast tank BL, and into tank FT, and in another path through the hush tube HT.
- the rising water will buoy the float FL and cause it to move upwardly in step with the level of water in the flush tank FT.
- water will be entering the tank FT not only through the hush tube HT but also from the parallel path of the flexible tube RFT and the channel CN of the lever LV and into the ballast tank BL of the float FL.
- the ballast tank BL is a cylindrical chamber which is open at the top to receive water. However, there is a small opening or several small openings generally designated BLO, within the ballast tank BL through which water fed to the ballast tank BL will be released into the flush tank FT. Hence, the joint reception of water by tank FT, through the hush tube HT and the ballast tank BL, speeds up the accumulation of water within tank FT. As the level of the water in tank FT rises further, the rotation of the lever LV in a counterclockwise direction about its pivotal axis RLX gradually, but fairly rapidly, closes the water inlet valve IV, thereby reducing the inflow of water into the tank FT.
- the tank FT embodies a vertical overflow tube OT which is coupled to the discharge opening DO (see FIG. 4).
- the upper end of the overflow tube OT is open so that, as water reaches the level of the upper opening, it will be released through the overflow tube OT and through the discharge opening DO to the toilet bowl TB.
- the overflow tube OT is also employed to permit excess water reaching the tank FT to be discharged into the toilet bowl TB rather than to be fed back to the supply inlet opening SI and in turn to the local water supply system and possibly contaminate the water system.
- the volume of water en tering the ballast tank BL of the float FL during the early stages immediately following the opening of the valve IV will exceed the amount drained through the opening BLO of the ballast tank BL.
- the effective buoyancy of the tank float FL will be rapidly reduced in the early stages of the opening of inlet valve IV.
- the plunger CR of the water inlet valve IV is advanced to the left to reduce the inflow of water through the flexible tube RFT.
- ballast tank BL will enter the ballast tank BL at a slower rate than the rate at which water drains out of ballast tank BL through its drain hole or holes BLO.
- the float FL may be viewed as 37 jumping" through the last segment of its return to its uppermost position to bring about the rapid closing of the water inlet valve IV.
- the final shutoff of the valve is slow and produces a prolonged hissing sound because the float of the conventional flush tank slowly overcomes the inlet water pressure.
- the lever LV and its float FL are at or near the uppermost position as shown in FIG. 2, the water inlet valve IV will be fully closed, and no more water will be fed through the supply inlet SI.
- the lower knob TNL is employed primarily to enable children to conveniently control the operation of a flush tank.
- taller people can readily reach the upper knob TNU to control the operation of the tank FT.
- Dual controls are highly desirable especially in situations in which the flush tank FT is elevated considerably above the level of the toilet bowl TB.
- the upper knob TNU has a threaded cap so that it may be coupled by a stem STU through an appropriate housing or enclosure to the left arm of the trip lever TF.
- the knob TNU is intended to hold the cover CV closed against the upper rim of the tank FT.
- a similar stem STL couples the lower knob TNL to the right arm of the trip lever TF via a coupling element K.
- the relative position and angular displacement of the lever LV can be controlled by two threaded screw members SCl which are located at opposite sides of the pivot pin RLX of the lever RL, as is plainly shown in FIG. 2.
- the angular position of the lever LV may be controlled and this in turn governs the maximum height to which float FL may be raised. This then determines the maximum level to which the water may rise within tank FT. Each rise in the water level will be accompanied by a delay in the time of closure of the inlet valve IV. The maximum water level of tank FT will be increased and the time interval during which valve IV is opened will be increased by manipulation of screws SC 1 as above indicated.
- the lever LV may be relatively lowered so that a lower level of water will be accumulated within the tank FT and the opening time of valve IV will be reduced. In the latter case, the inlet valve IV will come to complete closure at an earlier time phase.
- FIGS. 2 and 8 show the mechanism adjacent to and immediately controlling the water inlet valve IV.
- the plunger PG is movable about its axial pin PGX, but the plunger PG exercises a lateral displacement of the inlet valve IV. That is, the rotary motion of plunger PG is converted into a lateral or linear displacement of valve IV.
- the movable mechanism of the inlet valve IV is shown particularly in FIGS. and 16.
- a modified mechanism is shown in FIGS. 17 and 18.
- a rubberized cylindrical member RU is fixed within a collar CR.
- the collar CR supports an O-ring OR.
- a shoulder SG on the disk SH of the mechanism of FIG. 15 puts a limit on the amount by which the movable mechanism here shown and described can travel into the external housing of the inlet valve IV.
- the O-ring OR is located to the right of the flexible tube RFT and of the hush tube HT (which are illustrated in FIG. 2) so that incoming water may be received by these two tubes but cannot pass the O-ring.
- the slotted segment RM of the mechanism is positioned in a corresponding channel of the plunger PG so that the plunger PG may control and laterally move the slotted segment RM to the left to reduce or to close the opening of the inlet valve IV.
- the water pressure applied through the supply inlet SI can cause limited movement to the right of the movable mechanism of valve IV, but any movement in the opposite direction is controlled by the plunger PG.
- FIGS. 17, 18 and 18a show-projecting lugs LG and rounded shoulders SG between which the plunger lever PG is positioned and retained.
- the pivot pins TFX, RLX, LVX and FOX are several similar general purpose pins employed in this invention to couple two parts together so that one or the other or both of the parts may be rotatable.
- the general form of these pins is shown in FIGS. 5, 6 and 7.
- the pin LVX for example, has a cap CP.
- This pin LVX and its cap CP are associated with a retainer arm RT, forming a unitary structure.
- the retainer arm RT is flexible, and therefore, one end is movable. Although shown in solid lines in FIG. 5 in its normal position, the retainer arm RT may be deflected by relatively minor finger pressure to the dotted position also shown in FIG. 5.
- the cap CP of the pin LVX may be released from the retainer arm RT so that the pin LVX may be removed from its opening to sever the parts coupled together by pin LVX.
- the retainer arm RT is returned to its normal position while the cap CP is in the position shown in FIG. 5, it will be impossible to remove the pin LVX.
- FIG. 6 shows the cap CP about to be moved into engagement beneath the retainer arm RT so that it may be held by the retainer arm RT.
- the retainer arm RT is undeflected so that the cap CP may not be removed from its position.
- the axial pin LVX couples the rod lever RL to the channeled lever LV.
- the axial pin LVX is held in its assigned position to maintain the two levers coupled to each other.
- the levers will thence be uncoupled.
- To recouple the levers RL and LV it is again necessary to deflect the arm RT until the cap CP of pin LVX has been moved back beyond the arm RT.
- the pin LVX will again serve as a pivot for the two levers.
- each of the other axial pins TFX, RLX and PGX are similarly constructed and are associated with similar retainer arms and perform in the same general manner.
- FIGS. 19 and 20 show a modified form of hush tube HT
- This hush tube HT has a divider DV to provide two longitudinal channels within tube HT.
- the divider DV acts as a sort of baffle to slow down the inflow of water through the water inlet valve IV. This has the effect of reducing the turbulence of the water flowing through the inlet valve IV to and past the rubberized member RU of the inlet valve IV. This materially reduces the noise at the inlet valve IV, reducing the noise at this point to a practical nullity.
- a flush tank having a water inlet valve through which flows the water to be fed into the flush tank, one of the walls of the tank tapered toward the base of the tank, and means to render the flow of water into the tank substantially free of noise, said means comprising a vertical tube coupled to the water inlet valve by having its lower end adjacent to the tapered wall near the bottom of the wall.
- a flush tank according to claim 5 in which the vertical tube has a longitudinal divider therein so that there will be dual water emission through the said tube, and there is a curved surface interconnecting the tapered wall with the bot tom of the tank.
- a flush tank according to claim 6 including also a pivoted lever having a built-in channel coupled to the water inlet valve so that influent water will also traverse said channel, and means for coupling the lever to the water inlet valve to control the closure of said valve.
- a flush tank according to claim 7 in which the means coupling the lever to said water inlet valve includes means to cause the valve to progressively open in accordance with the angular movement of the lever about its pivot in one direction and to cause the value to progressively close in accordance with the angular movement of the lever about its pivot in the opposite direction.
- a flush tank comprising side walls which are tapered toward the base of the tank, a water inlet valve, and a tube associated with and extending vertically from said inlet valve, lower end and the bottom of said tube being closely adjacent to the lower end of one of the tapered side walls of the tank so that water discharged from said inlet valve through said tube will travel substantially smoothly and noiselessly into the tank.
- a substantially noiseless flush tank according to claim 9 in which the vertical tube is divided into a plurality of longitudinal passages.
- a substantially noiseless flush tank according to claim 9 in which the tank is curved at the region where the side walls meet the base of the tank.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Sanitary Device For Flush Toilet (AREA)
Abstract
Description
Claims (11)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US75466968A | 1968-08-22 | 1968-08-22 | |
US5406570A | 1970-06-01 | 1970-06-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
US3654637A true US3654637A (en) | 1972-04-11 |
Family
ID=26732590
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US3654637D Expired - Lifetime US3654637A (en) | 1968-08-22 | 1970-06-01 | Flush tank apparatus |
Country Status (1)
Country | Link |
---|---|
US (1) | US3654637A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080217233A1 (en) * | 2007-03-09 | 2008-09-11 | Braden Michael R | Chlorinator for wastewater treatment systems002437 |
US20090134084A1 (en) * | 2007-03-09 | 2009-05-28 | Braden Michael R | Chlorinator system for wastewater treatment systems |
US20090184035A1 (en) * | 2007-03-09 | 2009-07-23 | Braden Michael R | Chlorinator system for gravity-fed wastewater treatment systems |
US8502665B2 (en) | 2006-08-01 | 2013-08-06 | Eric Boudreau | Security fence for swimming pools |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1347318A (en) * | 1916-06-21 | 1920-07-20 | George P Bender | Flushing device |
US1387003A (en) * | 1920-02-14 | 1921-08-09 | Edward G Hedges | Antifouling muffler for flush-pipes |
US1432462A (en) * | 1922-10-17 | Method and means for silencing fluid in conduits | ||
US2238146A (en) * | 1940-02-28 | 1941-04-15 | Yavitch Morris | Device for silencing the flow of water in conduits |
US2300466A (en) * | 1938-11-29 | 1942-11-03 | Walker F Peterson | Quiet flow retarding device |
US2738851A (en) * | 1952-10-21 | 1956-03-20 | John A Warch | Flush tank silencer |
US2923012A (en) * | 1950-10-19 | 1960-02-02 | Case Mfg Corp | Water closet |
US3147762A (en) * | 1960-01-19 | 1964-09-08 | Ogden Corp | Device for silencing water flowing into storage tank of water closet |
US3348242A (en) * | 1965-03-17 | 1967-10-24 | Borg Warner | Water closet device |
-
1970
- 1970-06-01 US US3654637D patent/US3654637A/en not_active Expired - Lifetime
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1432462A (en) * | 1922-10-17 | Method and means for silencing fluid in conduits | ||
US1347318A (en) * | 1916-06-21 | 1920-07-20 | George P Bender | Flushing device |
US1387003A (en) * | 1920-02-14 | 1921-08-09 | Edward G Hedges | Antifouling muffler for flush-pipes |
US2300466A (en) * | 1938-11-29 | 1942-11-03 | Walker F Peterson | Quiet flow retarding device |
US2238146A (en) * | 1940-02-28 | 1941-04-15 | Yavitch Morris | Device for silencing the flow of water in conduits |
US2923012A (en) * | 1950-10-19 | 1960-02-02 | Case Mfg Corp | Water closet |
US2738851A (en) * | 1952-10-21 | 1956-03-20 | John A Warch | Flush tank silencer |
US3147762A (en) * | 1960-01-19 | 1964-09-08 | Ogden Corp | Device for silencing water flowing into storage tank of water closet |
US3348242A (en) * | 1965-03-17 | 1967-10-24 | Borg Warner | Water closet device |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8502665B2 (en) | 2006-08-01 | 2013-08-06 | Eric Boudreau | Security fence for swimming pools |
US20080217233A1 (en) * | 2007-03-09 | 2008-09-11 | Braden Michael R | Chlorinator for wastewater treatment systems002437 |
US20090134084A1 (en) * | 2007-03-09 | 2009-05-28 | Braden Michael R | Chlorinator system for wastewater treatment systems |
US20090184035A1 (en) * | 2007-03-09 | 2009-07-23 | Braden Michael R | Chlorinator system for gravity-fed wastewater treatment systems |
US7651607B2 (en) * | 2007-03-09 | 2010-01-26 | Braden Michael R | Chlorinator for wastewater treatment systems |
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