US20050150562A1 - Sewage dump system for RV, marine and other mobile vehicles - Google Patents
Sewage dump system for RV, marine and other mobile vehicles Download PDFInfo
- Publication number
- US20050150562A1 US20050150562A1 US11/034,033 US3403305A US2005150562A1 US 20050150562 A1 US20050150562 A1 US 20050150562A1 US 3403305 A US3403305 A US 3403305A US 2005150562 A1 US2005150562 A1 US 2005150562A1
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- US
- United States
- Prior art keywords
- hose
- sewage
- storage compartment
- compartment
- storage
- 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.)
- Abandoned
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R15/00—Arrangements or adaptations of sanitation devices
-
- 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
- Y10T137/6851—With casing, support, protector or static constructional installations
- Y10T137/6855—Vehicle
Definitions
- This invention relates to the sewage systems of various types of recreational mobile vehicles, such as RV's, 5th wheels, camper trailers and marine craft, and more particularly to a system by which to transfer raw sewage from vehicle holding tanks to sewage disposal stations.
- the system of this invention comprises an elongated hose of selected length and small diameter for communicating the large diameter waste line of the sewage system in an RV or other vehicle with a remote sewage disposal station located a distance from the vehicle, and a storage unit in the RV or other vehicle for containing the small diameter hose in a retracted condition of minimum volume for ready extraction and extension to a remote sewage disposal site.
- Another objective of this invention is the provision of a sewage dump system of the class described in which the storage unit facilitates both retracting and out-feeding of a small diameter hose into and from a confined storage space and which insures against kinking and other constriction of the hose.
- Still another objective of this invention is to provide a sewage dump system of the class described in which the storage unit includes guide means for controlling the retraction and out feeding of a small diameter hose.
- a further objective of this invention is the provision of a sewage dump system of the class described in which the storage unit guide means includes resiliently retractable and extendable hose guide mechanism which facilitates rapid and easy manipulation of the hose.
- FIG. 1 is a fragmentary side elevation of an RV showing a hose storage compartment embodying features of this invention, with the end door open to expose the interior.
- FIG. 2 is a perspective view of a storage compartment of FIG. 1 in cooperative arrangement with a typical sewage storage and discharge assembly in the vehicle.
- FIG. 3 is a top sectional view of a first embodiment of hose storage compartment embodying the features of this invention, with the top wall of the storage compartment removed to expose the interior, the elongated end portion of a small diameter hose being shown contained within the storage compartment.
- FIG. 4 is a top sectional view, similar to FIG. 3 , of a second embodiment of the hose storage component of this invention showing a spring-loaded hose retraction system incorporated into the hose compartment to accommodate coiling and uncoiling a length of hose, the retraction system being shown in the position of full retraction of hose within the compartment.
- FIG. 5 is a top sectional view, similar to FIG. 4 , showing the hose retraction system of FIG. 4 in the position of full extension of hose outwardly from the compartment.
- the elongated hose storage unit 10 is shown in FIG. 1 mounted within and secured to the underside of the framework of a vehicle V, such as an RV, as by bolts extended through openings 14 in side flanges 16 secured to the side walls 18 of the storage unit 10 .
- the bottom wall 12 of the unit 10 defines with the top wall 14 a storage space 22 for an elongated, flexible hose 24 as described hereinafter.
- the front end portion 26 of the unit 10 is enlarged to accommodate housing the fitting 28 on an end of the small diameter hose 24 for coupling the hose to a sewage pipe (not shown) located at a sewage disposal station.
- a control valve 30 with hand knob 32 are installed in the hose adjacent the fitting 28 for controlling the outfeed of sewage to the disposal pipe.
- the rear end of the storage unit is closed by continued extension of side walls 18
- FIG. 1 also shows a front door 34 secured to the open front end of the unit 10 by hinges 36 to enable opening and closing the front end portion 26 of the unit 10 .
- a hand operated lock 38 on the door releasably secures the latter in closed position.
- FIG. 3 illustrates a first embodiment of the invention, wherein the hose 24 is in fully retracted position within the storage space 22 .
- This position is achieved by doubling the hose intermediate its ends and feeding the doubled portion through the front opening in the enlarged front portion 26 and working it rearwardly into the vertically restricted storage space 22 .
- the height of the space 22 is slightly greater than the outside diameter of the hose 24 , to insure that it moves freely in the space as a single layer, to prevent jamming.
- Guide rollers 40 spaced along one side of the space 22 assists movement of the hose in both retraction and extension directions.
- the end portion of the hose 24 opposite the fitting 28 is extended outwardly of the space 22 through a side opening 42 , for connection to the outlet of a macerator M, the input I of which leads through a large diameter waste discharge tube T to a sewage storage tank S or tanks of the RV or other vehicle, in manner well known in the art.
- FIGS. 4 and 5 illustrate a second embodiment of the invention which includes resilient retraction means for facilitating the extension and retraction of the hose 24 relative to the storage space 22 .
- a hose guide system which includes a pair of hose guiding rollers 44 mounted on the spaced ends of a supporting yolk member 46 . The rollers are concave in cross section to capture and guide movement of the hose.
- the rearward end of the yolk member 46 anchors one end of an elongated flexible cord 48 which extends from the yolk member over a guide pulley 50 and thence forwardly under the bottom wall 12 to a rotary pulley 52 of a source of rotary power.
- the power source is a spring-loaded pull cord unit 54 similar to those typically employed for starting small gasoline engines used for lawn mowers, outboard engines and many other applications.
- the operation of the sewage disposal system of this invention is the same for all embodiments.
- the front door 34 is opened, the fitting 28 is grasped in the hand and the small diameter hose 24 is pulled outwardly of the compartment storage space 22 . It moves freely outward because of the confined vertical dimension of the space 22 .
- extension of the hose 24 is accomplished with little effort since the hose slides freely through the space 22 .
- extension of the hose meets only a slight resistance by the tensioning of the spring loading of pulley 52 .
- Sewage is removed from the storage tanks S in the vehicle, when the fitting 28 is secured to the disposal pipe at the sewage disposal station, by opening the valve 30 and operating the macerator.
- the sewage is discharged from the storage tank in the vehicle and subjected to maceration and thereafter forcibly discharged to the disposal pipe.
- gray water in a gray water storage tank may be delivered to a black water storage tank S for cleaning the latter, after which the gray water is delivered through the macerator and outlet hose 24 to effect thorough cleaning.
- the control valve 30 then is closed and the hose 24 returned to the storage space 22 , without anyone having been in contact with any sewage.
- the front door 34 is opened and the operator simply grasps the fitting 28 and carries it to the dump site, a distance from the vehicle V that is predetermined to be within reach of the hose 24 . Because of the horizontal disposition of the hose compartment 22 , the hose is pulled easily from it. Moreover, return of the hose to the compartment 22 is accomplished with minimum effort simply by doubling the hose 24 and feeding the doubled end into the front opening of the compartment and pushing it rearwardly until it is contained in the manner illustrated in FIG. 3 .
- the rollers 40 assist in minimizing the manual effort required and the shallow height of the compartment ensures against tangling, twisting and otherwise pinching the hose.
- the front door 34 is opened and the operator grasps the fitting 28 and, as in the embodiment of FIG. 3 , carries it to the disposal site.
- the hose As the hose is withdrawn from the compartment 22 , it pulls with it the yoke 46 which is moved to the open front end of the compartment with the minimum resistance offered by the spring-loaded pull cord unit 54 .
- the spring-loaded pull cord unit 54 operates automatically to retract the yoke 46 rearwardly into the compartment 22 , to the position shown in FIG. 4 .
- the hose 24 thus is returned to the retracted, flat lying position of FIG. 4 by virtue of the yoke 46 guiding it precisely to the configuration illustrated.
- the hose 24 is caused to be manipulated in a manner that ensures against kinking, jamming, or otherwise fouling during the extension and retraction movements relative to the compartment 22 . This contributes to precise operation with minimum effort and maximum service life.
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- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
Abstract
The sewage dump system of this invention comprises an elongated housing adapted for support on a mobile vehicle, the housing having an elongated sewage hose storage compartment having a height slightly greater than the diameter of a storage hose and communicating at its open end with an adjoining space configured to contain a hose outlet fitting on the outlet end of the sewage hose, the storage hose being folded intermediate its ends for reception in the hose storage compartment for guidance therein between said folded condition within the compartment and an extended position with the hose fitting communicating with a sewage dump site. In one embodiment, a plurality of spaced rollers having concave peripheries are spaced apart along one longitudinal side of the storage compartment to facilitate guiding the storage hose during extension and retraction. In a second embodiment a yoke member having guide rollers on its spaced ends is connected to a line extending retractably from a rotary power source for movement between a position retracted within the hose compartment with the folded sewage hose and an extended position at the adjoining space for extending the sewage hose to a sewage dump site.
Description
- This invention claims the benefit of Provisional application Ser. No. 60/536,139, Filed 12 Jan. 2004.
- This invention relates to the sewage systems of various types of recreational mobile vehicles, such as RV's, 5th wheels, camper trailers and marine craft, and more particularly to a system by which to transfer raw sewage from vehicle holding tanks to sewage disposal stations.
- It presently is the practice for owners of RV and other mobile craft to connect the outlet of the sewage waste system to the inlet of a macerator, the outlet of the macerator being connected to one end of a hose, the opposite end of which is adaptable for coupling to a disposal pipe of a remote sewage dump station. Typical of the above conventional systems are those disclosed in U.S. Pat. Nos. 6,352,088; 5,323,813; and 4,643,229.
- In prior sewage dump systems typified by U.S. Pat. No. 6,352,088 above, there is the accepted requirement of having to coil, fold, collapse, or otherwise shorten a small diameter hose in order to store it in a compartment in the vehicle. Storage space in the vehicle must accommodate the dimensions of the shortened tube. The shorter the tube, the smaller the storage space, but the closer the vehicle must be maneuvered to the discharge pipe of the dump station.
- In its basic concept, the system of this invention comprises an elongated hose of selected length and small diameter for communicating the large diameter waste line of the sewage system in an RV or other vehicle with a remote sewage disposal station located a distance from the vehicle, and a storage unit in the RV or other vehicle for containing the small diameter hose in a retracted condition of minimum volume for ready extraction and extension to a remote sewage disposal site.
- It is the principal objective of this invention to provide a sewage dump system of the class described to overcome the limitations and disadvantages of prior sewage dump systems.
- Another objective of this invention is the provision of a sewage dump system of the class described in which the storage unit facilitates both retracting and out-feeding of a small diameter hose into and from a confined storage space and which insures against kinking and other constriction of the hose.
- Still another objective of this invention is to provide a sewage dump system of the class described in which the storage unit includes guide means for controlling the retraction and out feeding of a small diameter hose.
- A further objective of this invention is the provision of a sewage dump system of the class described in which the storage unit guide means includes resiliently retractable and extendable hose guide mechanism which facilitates rapid and easy manipulation of the hose.
- The foregoing and other objects and advantages of this invention will appear from the following detailed description taken in connection with the accompanying drawings of a preferred embodiment.
-
FIG. 1 is a fragmentary side elevation of an RV showing a hose storage compartment embodying features of this invention, with the end door open to expose the interior. -
FIG. 2 is a perspective view of a storage compartment ofFIG. 1 in cooperative arrangement with a typical sewage storage and discharge assembly in the vehicle. -
FIG. 3 is a top sectional view of a first embodiment of hose storage compartment embodying the features of this invention, with the top wall of the storage compartment removed to expose the interior, the elongated end portion of a small diameter hose being shown contained within the storage compartment. -
FIG. 4 is a top sectional view, similar toFIG. 3 , of a second embodiment of the hose storage component of this invention showing a spring-loaded hose retraction system incorporated into the hose compartment to accommodate coiling and uncoiling a length of hose, the retraction system being shown in the position of full retraction of hose within the compartment. -
FIG. 5 is a top sectional view, similar toFIG. 4 , showing the hose retraction system ofFIG. 4 in the position of full extension of hose outwardly from the compartment. - Referring first to
FIGS. 1 and 2 of the drawings, the elongated hose storage unit 10 is shown inFIG. 1 mounted within and secured to the underside of the framework of a vehicle V, such as an RV, as by bolts extended throughopenings 14 inside flanges 16 secured to theside walls 18 of the storage unit 10. Thebottom wall 12 of the unit 10 defines with the top wall 14 astorage space 22 for an elongated,flexible hose 24 as described hereinafter. Thefront end portion 26 of the unit 10 is enlarged to accommodate housing thefitting 28 on an end of thesmall diameter hose 24 for coupling the hose to a sewage pipe (not shown) located at a sewage disposal station. Acontrol valve 30 withhand knob 32 are installed in the hose adjacent thefitting 28 for controlling the outfeed of sewage to the disposal pipe. The rear end of the storage unit is closed by continued extension ofside walls 18 -
FIG. 1 also shows afront door 34 secured to the open front end of the unit 10 byhinges 36 to enable opening and closing thefront end portion 26 of the unit 10. A hand operatedlock 38 on the door releasably secures the latter in closed position. -
FIG. 3 illustrates a first embodiment of the invention, wherein thehose 24 is in fully retracted position within thestorage space 22. This position is achieved by doubling the hose intermediate its ends and feeding the doubled portion through the front opening in the enlargedfront portion 26 and working it rearwardly into the vertically restrictedstorage space 22. The height of thespace 22 is slightly greater than the outside diameter of thehose 24, to insure that it moves freely in the space as a single layer, to prevent jamming.Guide rollers 40 spaced along one side of thespace 22 assists movement of the hose in both retraction and extension directions. - The end portion of the
hose 24 opposite thefitting 28 is extended outwardly of thespace 22 through aside opening 42, for connection to the outlet of a macerator M, the input I of which leads through a large diameter waste discharge tube T to a sewage storage tank S or tanks of the RV or other vehicle, in manner well known in the art. -
FIGS. 4 and 5 illustrate a second embodiment of the invention which includes resilient retraction means for facilitating the extension and retraction of thehose 24 relative to thestorage space 22. To this end there is provided a hose guide system which includes a pair of hose guiding rollers 44 mounted on the spaced ends of a supportingyolk member 46. The rollers are concave in cross section to capture and guide movement of the hose. - The rearward end of the
yolk member 46 anchors one end of an elongatedflexible cord 48 which extends from the yolk member over aguide pulley 50 and thence forwardly under thebottom wall 12 to arotary pulley 52 of a source of rotary power. For purposes of illustration herein, the power source is a spring-loadedpull cord unit 54 similar to those typically employed for starting small gasoline engines used for lawn mowers, outboard engines and many other applications. - The operation of the sewage disposal system of this invention is the same for all embodiments. The
front door 34 is opened, thefitting 28 is grasped in the hand and thesmall diameter hose 24 is pulled outwardly of thecompartment storage space 22. It moves freely outward because of the confined vertical dimension of thespace 22. - In the embodiment of
FIG. 3 , extension of thehose 24 is accomplished with little effort since the hose slides freely through thespace 22. InFIGS. 4 and 5 the extension of the hose meets only a slight resistance by the tensioning of the spring loading ofpulley 52. - Sewage is removed from the storage tanks S in the vehicle, when the
fitting 28 is secured to the disposal pipe at the sewage disposal station, by opening thevalve 30 and operating the macerator. The sewage is discharged from the storage tank in the vehicle and subjected to maceration and thereafter forcibly discharged to the disposal pipe. As is well known, gray water in a gray water storage tank (not shown) may be delivered to a black water storage tank S for cleaning the latter, after which the gray water is delivered through the macerator andoutlet hose 24 to effect thorough cleaning. Thecontrol valve 30 then is closed and thehose 24 returned to thestorage space 22, without anyone having been in contact with any sewage. - In the operation of the embodiment of
FIG. 3 , thefront door 34 is opened and the operator simply grasps thefitting 28 and carries it to the dump site, a distance from the vehicle V that is predetermined to be within reach of thehose 24. Because of the horizontal disposition of thehose compartment 22, the hose is pulled easily from it. Moreover, return of the hose to thecompartment 22 is accomplished with minimum effort simply by doubling thehose 24 and feeding the doubled end into the front opening of the compartment and pushing it rearwardly until it is contained in the manner illustrated inFIG. 3 . Therollers 40 assist in minimizing the manual effort required and the shallow height of the compartment ensures against tangling, twisting and otherwise pinching the hose. - In the operation of the embodiment of
FIGS. 4 and 5 , thefront door 34 is opened and the operator grasps thefitting 28 and, as in the embodiment ofFIG. 3 , carries it to the disposal site. As the hose is withdrawn from thecompartment 22, it pulls with it theyoke 46 which is moved to the open front end of the compartment with the minimum resistance offered by the spring-loadedpull cord unit 54. After discharging the sewage to the disposal site, the operator walks back to the mobile vehicle with the fitting 28 in hand. The spring-loadedpull cord unit 54 operates automatically to retract theyoke 46 rearwardly into thecompartment 22, to the position shown inFIG. 4 . Thehose 24 thus is returned to the retracted, flat lying position ofFIG. 4 by virtue of theyoke 46 guiding it precisely to the configuration illustrated. - It is to be noted that in both embodiments of
FIGS. 3 and 4 , 5 thehose 24 is caused to be manipulated in a manner that ensures against kinking, jamming, or otherwise fouling during the extension and retraction movements relative to thecompartment 22. This contributes to precise operation with minimum effort and maximum service life. - It will be apparent to those skilled in the art that various modifications and changes may be made in the size, shape, type, and number of components described hereinbefore without departing from the spirit of this invention and the scope of the appended claims.
Claims (6)
1. A sewage dump system for RV and other mobile vehicles having sewage waste systems, the sewage dump system comprising:
a) an elongated housing adapted for support on a mobile vehicle,
b) the housing including an elongated sewage hose storage compartment defining a space having a height slightly greater than the diameter of a small diameter sewage hose and having a closed end and an open end, and
c) an adjoining space in the housing communicating with the open end of the sewage hose storage compartment and configured to removably contain a hose outlet fitting on the outlet end of a sewage hose configured for communication with a sewage dump site.
2. The sewage dump system of claim 1 including a plurality of hose guides spaced apart in said storage compartment and configured to guide a folded sewage hose during extension from and retraction into said storage compartment.
3. The sewage dump system of claim 2 wherein the hose guides comprise rollers having concave peripheries and spaced apart along one longitudinal side of the storage compartment.
4. The sewage dump system of claim 2 wherein the hose guides include a yoke member having spaced ends, a guide roller on each of the spaced ends of the yoke member configured to engage a small diameter sewage hose, and drive means engaging the yoke member for moving the latter between an extended position adjacent said adjoining space, with a sewage hose extended from the storage compartment to a sewage dump site, and a retracted position adjacent the closed end of the hose storage compartment with the sewage hose folded in said storage compartment.
5. The sewage dump system of claim 4 wherein the hose guides comprise rollers having concave peripheries.
6. The sewage dump system of claim 1 including
a) an elongated sewage hose of small diameter, and
b) a macerator having an outlet end communicating with the end of the sewage hose opposite the hose outlet fitting and an inlet end communicating with the sewage waste system of the vehicle.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/034,033 US20050150562A1 (en) | 2004-01-12 | 2005-01-12 | Sewage dump system for RV, marine and other mobile vehicles |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US53613904P | 2004-01-12 | 2004-01-12 | |
US11/034,033 US20050150562A1 (en) | 2004-01-12 | 2005-01-12 | Sewage dump system for RV, marine and other mobile vehicles |
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US20050150562A1 true US20050150562A1 (en) | 2005-07-14 |
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US11/034,033 Abandoned US20050150562A1 (en) | 2004-01-12 | 2005-01-12 | Sewage dump system for RV, marine and other mobile vehicles |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080223468A1 (en) * | 2007-03-15 | 2008-09-18 | Lannie Stegall | Storage mechanism for use within recreational vehicles |
US20080257806A1 (en) * | 2005-09-15 | 2008-10-23 | Silvano Rossato | Method and Apparatus for Treating Wastes, Particularly of a Biological and Domestic Origin |
US20100018590A1 (en) * | 2008-03-13 | 2010-01-28 | Thetford Corporation | Drain system |
NL2003042C2 (en) * | 2009-06-18 | 2010-12-21 | Gmb Beheer B V | COUPLING DEVICE FOR COUPLING A FLUIDUM PIPE TO A FLUIDUM INTAKE AND / OR OUTLET OPENING, AND A COMPOSITION, FLOOR AND A TRANSPORT RESIDENCE SPACE. |
US20150034166A1 (en) * | 2013-07-30 | 2015-02-05 | Lippert Components Manufacturing, Inc. | Waste evacuation system for a vehicle |
US20210078509A1 (en) * | 2018-05-01 | 2021-03-18 | Thetford Bv | Discharge device for vehicle wastewater management system |
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---|---|---|---|---|
US1468620A (en) * | 1922-07-18 | 1923-09-25 | John E Addy | Hose elevating and supporting device |
US4259066A (en) * | 1978-05-30 | 1981-03-31 | Sybron Corporation | Retraction mechanism for dental units and the like |
US5023959A (en) * | 1989-04-03 | 1991-06-18 | Thetford Corporation | Extendable waste hose system |
US6109544A (en) * | 1999-06-22 | 2000-08-29 | Sheng; Chih-Sheng | Hose take-up apparatus |
US6352088B1 (en) * | 2000-10-17 | 2002-03-05 | Lannie L. Stegall | Vehicle wastewater drainage system |
US20020189673A1 (en) * | 2001-06-13 | 2002-12-19 | Schoellhorn Robert A. | Sewage system for vehicles |
US6543484B1 (en) * | 2000-08-15 | 2003-04-08 | Roderick Highsmith | Waste water disposal system |
US20030192592A1 (en) * | 2002-04-11 | 2003-10-16 | Anthony Warning | Recreational vehicle faucet |
-
2005
- 2005-01-12 US US11/034,033 patent/US20050150562A1/en not_active Abandoned
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1468620A (en) * | 1922-07-18 | 1923-09-25 | John E Addy | Hose elevating and supporting device |
US4259066A (en) * | 1978-05-30 | 1981-03-31 | Sybron Corporation | Retraction mechanism for dental units and the like |
US5023959A (en) * | 1989-04-03 | 1991-06-18 | Thetford Corporation | Extendable waste hose system |
US6109544A (en) * | 1999-06-22 | 2000-08-29 | Sheng; Chih-Sheng | Hose take-up apparatus |
US6543484B1 (en) * | 2000-08-15 | 2003-04-08 | Roderick Highsmith | Waste water disposal system |
US6352088B1 (en) * | 2000-10-17 | 2002-03-05 | Lannie L. Stegall | Vehicle wastewater drainage system |
US20020189673A1 (en) * | 2001-06-13 | 2002-12-19 | Schoellhorn Robert A. | Sewage system for vehicles |
US20030192592A1 (en) * | 2002-04-11 | 2003-10-16 | Anthony Warning | Recreational vehicle faucet |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080257806A1 (en) * | 2005-09-15 | 2008-10-23 | Silvano Rossato | Method and Apparatus for Treating Wastes, Particularly of a Biological and Domestic Origin |
US20080223468A1 (en) * | 2007-03-15 | 2008-09-18 | Lannie Stegall | Storage mechanism for use within recreational vehicles |
US20100018590A1 (en) * | 2008-03-13 | 2010-01-28 | Thetford Corporation | Drain system |
US8826939B2 (en) | 2008-03-13 | 2014-09-09 | Thetford Corporation | Drain system |
NL2003042C2 (en) * | 2009-06-18 | 2010-12-21 | Gmb Beheer B V | COUPLING DEVICE FOR COUPLING A FLUIDUM PIPE TO A FLUIDUM INTAKE AND / OR OUTLET OPENING, AND A COMPOSITION, FLOOR AND A TRANSPORT RESIDENCE SPACE. |
US20150034166A1 (en) * | 2013-07-30 | 2015-02-05 | Lippert Components Manufacturing, Inc. | Waste evacuation system for a vehicle |
US20210078509A1 (en) * | 2018-05-01 | 2021-03-18 | Thetford Bv | Discharge device for vehicle wastewater management system |
US11912213B2 (en) * | 2018-05-01 | 2024-02-27 | Thetford Bv | Discharge device for vehicle wastewater management system |
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