CA1256813A - Apparatus for conducting hot gases from an exhaust pipe - Google Patents
Apparatus for conducting hot gases from an exhaust pipeInfo
- Publication number
- CA1256813A CA1256813A CA000524151A CA524151A CA1256813A CA 1256813 A CA1256813 A CA 1256813A CA 000524151 A CA000524151 A CA 000524151A CA 524151 A CA524151 A CA 524151A CA 1256813 A CA1256813 A CA 1256813A
- Authority
- CA
- Canada
- Prior art keywords
- conduit
- fitting
- outlet
- exhaust pipe
- inlet
- 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
Links
Landscapes
- Exhaust Silencers (AREA)
Abstract
APPARATUS FOR CONDUCTING HOT GASES FROM AN EXHAUST PIPE An apparatus for conducting hot gases from an exhaust pipe has an elongated, flexible conduit with an inlet end and an outlet encl. An Inlet fitting on the inlet end of the conduit is shaped to tightly engage the exhaust pipe. An outlet fitting on the outlet end of the conduit is shaped to direct the hot gases to an object to be heated. The conduit may have a portion comprising a flexible, spirally wound conduit which is flexible when twisted in one direction and locks in a desired position when twisted in a direction opposite the one direction. The inlet fitting may have a seal for fitting exhaust pipes of different sizes. The seal comprises a resilient annular member having a central aperture for receiving the exhaust pipe.
Description
~Z5~3 FIEL~:) OF THE INVENTION
This invention relates to an elongated conduit for conducting exhaust gases from an exhaust pipe to an object to be heated.
BACKGROlJND OF THE INVENTION
During winter in colder climates many mechanical components become frozen during periods of extreme cold. 5uch components may be associatecl with the automobile, such as transmissions, brakes, door locks and carburettors. It is also desirable in many cases to pre-warm srnall internal combustion engines such as those employed on chain saws. Other such heating operations, for oxEIrnplfl tho thawing oP water Faucet8, shoultl be done by relatively saPe moanl) not employlng a Flarno.
Exhaust gases from automobiles and other internal cornbustion engine devices have been employed in the past for various heating operations. For example, permanent installations on automobiles have been used to heat carburettors or the interior of the automobile by means oF a heat exchanger.
One such device is disclosed, for example, in Canadian Patent No. 144,a64 to Matthews. Canadian Patent No. 285,104 to ~luntley discloses a heater employing exhaust gases to heat the differential housing of an automobile.
Canadian Patent No. 337,940 to Miller discloses another device using exhaust gases to heat a transmission ancl diFferential housing. Canadian Patent No. 1,099,680 to Prucyk discloses a device employing exhaust gases to heat paint for a pavement striper.
The devices discussed above do not offer a portable apparatus suitable for temporary connection to various exhaust pipes and which can be easily manoeuvred and positioned to heat components of an automobile or exterior objects requiring heating.
S~3 SUMMAF~Y OF TtiE II~IVENTION
The invention provides an apparatus for conducting hot gases from an exhaust pipe. The apparatus has an elongated, flexible conduit with an inlet end and an outlet end. There is an inlet fitting on the inlet end of the conduit shaped to tightly engaye the exhaust pipe. An outlet fitting on the outlet end of the conduit is shaped to direct the hot gases to an o~ject to be heated.
Preferably the conduit has a portion comprising a spirally wound conduit which is flexible when twisted in one direction and locks in a desired position when twisted in a direction opposite the one direction.
The inlet fitting rmay huve a seal for fitting exhau~t pipes of different sizes.The seal comprlses n resilient annular rnember havincl a central aperturr2 for recciving the clxhcu~t pipe.
BRIEF DESCRIPTION OF THF DRAWINGS
In the drawings:
Figure 1 is a perspective view of an apparatus for conducting hot exhaust gases frorn an exhaust pipe, shown connected to the exhaust pipe of an automobile and positioned so as to direct the hot 9aae9 on an outdoor water faucet;
Figure 2 is a side elevation of the outlet fitting of the embodirnent shown in Figure 1 which is shaped to concentrate exhaust gases;
Figure 3 is a side elevation of an alternative outlet fitting shaped to diffuse the exhaust gases;
~25~i8~3 Figure 4 is an end view of the fitting of Figure 3;
Figure 5 is an elevation of the clamp used on the apparatus oF
Figure 1;
Figure 6 is a side elevation of the inlet fitting used on the apparatus of Figure 1;
Figure 7 is an end view of the fitting of Figure 6;
Figure 8 is a side elevation of a typical connection used on the apparatus, shown disconnected;
Figure 9 in a side ~31evation oP a typical connflctiorl showing the portion!l of thje conduit connected;
Figure 10 is a fragmentary view of the spirally wound portion of the conduit shown in Figure 1.
20 DESCRIPTION OF T~IE PR~:FERRED EMBODIMENTS
Referring firstly to Figure 1, this shows an apparatus 1 for conducting hot gases from an exhaust pipe 2 to an object to be lleated, in this case an outdoor water faucet 4. Although shown connected to the exhaust pipe of 25 an automobile, the apparatus may be connected to the exhaust pipe of other equipment ernpJoying an internal cornbustion engine. The apparatus has three major components. The first is an elongated, Flexible conduit 6 which has an inl~t end 8 and an outlet end 10. The conduit has two portions. The first portion 12 is, in this preferred embodiment, a flexible cotton hose, 30 similar to those used for fire hoses. Of course other flexible conduits capable of carrying hot exhaust gases could be substituted. The conduit 6 has a second portion portion 14 connected to first portion 12 at a point 16.
The second portion 14 is rnade of a spirally wound conduit. This is shown in ~Z~i;6~3~3 rnore detail in Figure 10. Such condui~s are commercially availaole and are typically used as electrical conduits. A large diarneter sueh conduit is required for this apparatus. Such conduits are mada of a single length of sheet metal 18 which is shaped and interlocked in manu~acture to form a spiral, flexiole joint 2û extending along the length of the conduit. Because of the spiral winding, the conduit can De tightened oy twisting it in one direction, for example clockwise, according to the direction of the spiral.
By "untwisting" the conduit in the opposite direction, for example counter-clockwise, the conduit is loosened and ~ecomes more flexiDle.
The apparatus also includes an inlet fitting 22 which is shown in better detail in F'igure 6 and 7. As may oe sesn in the eleva~.ional view of Figure 6, the inlet fitting is in the shape of a truncated cone with a larger end 24 which i9 the open ond directed toward~ the exhau~t pipe 2 as shown in FicJure 1. The oppoaito ~:ncl 26 i~ c~nnect(3d to portion L2 of the conduit 6. Tho inlet fitting has El soal which compri'ses a resilient annular rnern~er 2~ hown ~est in figure 7, which extends outwardly from a central aperturc 30 and is held Detween a pair of outer, rigid rings 32 and 34. This is shown Dest in the oreal~away in Figure 6. The memoer is made of heat resistant ru~Der in the preferred emDodiment~ although alternative materials could ~e suDstituted.
The annular memDer 28 has a plurality of sections 36 which are each separated Dy a radially extending slit 40, each of which extends from aperture 30 to rings 32 and 34. The aperture 30 is slightly smaller l:han any exhaust pipe the apparatus is adapted to fit. The slits and the resilient material of mem~er 28 allow inlet fitting 22 to oe forced over exhaust pipes sornewhat larger than aperture 30. Thus the inlet fitting is designed to fit a wide range of exhaust pipe si~es.
The apparatus 1 is fitted with an outlet fitting 42 shown in Figure 1 and in ~etter detail in Figure 2. This outlet fitting may oe seen to ~e in the shape of a truncated cone which tapers outwardly from end 43 which is connected to portion 14 of conduit 6 towards open end 46 where éxhaust gases are discharged. Since end 46 has a diameter smaller than end 43 this fittiny acts as a nozzle to concentrate the exhaust gases at a higher velocity on a limited area. This increases the heating effect for a relatively small area.
An alternative outlet fitting 48 is shown in Figures 3 and 4. This fitting has an end 50 which is connected to portion 14 of conduit 6 and an opcn end 52 which is an elongated slot as hest shown in Figure 4. It may be seen that the fitting is flattened and fan-shaped to diffuse the exhsuat gases over a relatively wide area. Thus this outlet fitting is used when the heating effect is desired over a more general area.
A clamp 54, shown in detail in Figure 5, may be used to secure the outlet end of the apparatus in position so the exhaust gases are directed onto the object requiring heflting. For exarnple, in F'igure 1 clamp 54 is used to sE~cure portion 14 of conduit 6 to a vertical ~ection of pip~3 56 leading to fluc~:t l~.
IS Ttle exhaust ga3es c~3n bo rnanually directed by thtl user holcling outlet fitting 42 and directing the gases to the required spot. However, clarnp 54 allows the apparatus to be clamped to some suitable point so the user can go about other activities. When the apparatus is used For thawing a carburettor, -For example, clamp 54 can be secured to some convenient part under the hood of the car, such as the radiator. The clamp is connected to portion 1~l of conduit 6 near the end opposite Fitting 42. As shown in Figure 5 clamp 54 is very similar to the type of clamp used on jumper cables for clamping to battery posts. It consists of a pair of members 58 and 60 which are pivotally connected by a pin 62. The members are resilient biased in the conventional manner so that jaws 6~ and 66 are urged towards ~ach other.
The portion 14 of condui~ 6 is twisted to lock portion 1~ in position, as shown by way of example in Figure 1, and thus keep the exhaust gases trained on the object being heated with the aid of clamp 54.
Figures ~ and 9 illustrate the type oF connection used throughout. One of the members 68 which may be, for example, part of outlet fitting 42, is a straight section of pipeO The other member 70 is tapered and connected, for example, to portion 14 of conduit 6. The members are connected by ~L25~
- G -holding member 68 firmly in one hand and inserting member 70 into member 68 with the other hand and then firmly pushing member 68 onto mernber 70 and turning them. This achieves the connection shown in Figure 9. The members are released by holding member 68 with one hand and with the other hand rocking member 70 back and forth once each way while pulling the members apart. Thus the members are disconnected as shown in Figure 8. As may be seen, the apparatus is a compact unit for easy storage.
This invention relates to an elongated conduit for conducting exhaust gases from an exhaust pipe to an object to be heated.
BACKGROlJND OF THE INVENTION
During winter in colder climates many mechanical components become frozen during periods of extreme cold. 5uch components may be associatecl with the automobile, such as transmissions, brakes, door locks and carburettors. It is also desirable in many cases to pre-warm srnall internal combustion engines such as those employed on chain saws. Other such heating operations, for oxEIrnplfl tho thawing oP water Faucet8, shoultl be done by relatively saPe moanl) not employlng a Flarno.
Exhaust gases from automobiles and other internal cornbustion engine devices have been employed in the past for various heating operations. For example, permanent installations on automobiles have been used to heat carburettors or the interior of the automobile by means oF a heat exchanger.
One such device is disclosed, for example, in Canadian Patent No. 144,a64 to Matthews. Canadian Patent No. 285,104 to ~luntley discloses a heater employing exhaust gases to heat the differential housing of an automobile.
Canadian Patent No. 337,940 to Miller discloses another device using exhaust gases to heat a transmission ancl diFferential housing. Canadian Patent No. 1,099,680 to Prucyk discloses a device employing exhaust gases to heat paint for a pavement striper.
The devices discussed above do not offer a portable apparatus suitable for temporary connection to various exhaust pipes and which can be easily manoeuvred and positioned to heat components of an automobile or exterior objects requiring heating.
S~3 SUMMAF~Y OF TtiE II~IVENTION
The invention provides an apparatus for conducting hot gases from an exhaust pipe. The apparatus has an elongated, flexible conduit with an inlet end and an outlet end. There is an inlet fitting on the inlet end of the conduit shaped to tightly engaye the exhaust pipe. An outlet fitting on the outlet end of the conduit is shaped to direct the hot gases to an o~ject to be heated.
Preferably the conduit has a portion comprising a spirally wound conduit which is flexible when twisted in one direction and locks in a desired position when twisted in a direction opposite the one direction.
The inlet fitting rmay huve a seal for fitting exhau~t pipes of different sizes.The seal comprlses n resilient annular rnember havincl a central aperturr2 for recciving the clxhcu~t pipe.
BRIEF DESCRIPTION OF THF DRAWINGS
In the drawings:
Figure 1 is a perspective view of an apparatus for conducting hot exhaust gases frorn an exhaust pipe, shown connected to the exhaust pipe of an automobile and positioned so as to direct the hot 9aae9 on an outdoor water faucet;
Figure 2 is a side elevation of the outlet fitting of the embodirnent shown in Figure 1 which is shaped to concentrate exhaust gases;
Figure 3 is a side elevation of an alternative outlet fitting shaped to diffuse the exhaust gases;
~25~i8~3 Figure 4 is an end view of the fitting of Figure 3;
Figure 5 is an elevation of the clamp used on the apparatus oF
Figure 1;
Figure 6 is a side elevation of the inlet fitting used on the apparatus of Figure 1;
Figure 7 is an end view of the fitting of Figure 6;
Figure 8 is a side elevation of a typical connection used on the apparatus, shown disconnected;
Figure 9 in a side ~31evation oP a typical connflctiorl showing the portion!l of thje conduit connected;
Figure 10 is a fragmentary view of the spirally wound portion of the conduit shown in Figure 1.
20 DESCRIPTION OF T~IE PR~:FERRED EMBODIMENTS
Referring firstly to Figure 1, this shows an apparatus 1 for conducting hot gases from an exhaust pipe 2 to an object to be lleated, in this case an outdoor water faucet 4. Although shown connected to the exhaust pipe of 25 an automobile, the apparatus may be connected to the exhaust pipe of other equipment ernpJoying an internal cornbustion engine. The apparatus has three major components. The first is an elongated, Flexible conduit 6 which has an inl~t end 8 and an outlet end 10. The conduit has two portions. The first portion 12 is, in this preferred embodiment, a flexible cotton hose, 30 similar to those used for fire hoses. Of course other flexible conduits capable of carrying hot exhaust gases could be substituted. The conduit 6 has a second portion portion 14 connected to first portion 12 at a point 16.
The second portion 14 is rnade of a spirally wound conduit. This is shown in ~Z~i;6~3~3 rnore detail in Figure 10. Such condui~s are commercially availaole and are typically used as electrical conduits. A large diarneter sueh conduit is required for this apparatus. Such conduits are mada of a single length of sheet metal 18 which is shaped and interlocked in manu~acture to form a spiral, flexiole joint 2û extending along the length of the conduit. Because of the spiral winding, the conduit can De tightened oy twisting it in one direction, for example clockwise, according to the direction of the spiral.
By "untwisting" the conduit in the opposite direction, for example counter-clockwise, the conduit is loosened and ~ecomes more flexiDle.
The apparatus also includes an inlet fitting 22 which is shown in better detail in F'igure 6 and 7. As may oe sesn in the eleva~.ional view of Figure 6, the inlet fitting is in the shape of a truncated cone with a larger end 24 which i9 the open ond directed toward~ the exhau~t pipe 2 as shown in FicJure 1. The oppoaito ~:ncl 26 i~ c~nnect(3d to portion L2 of the conduit 6. Tho inlet fitting has El soal which compri'ses a resilient annular rnern~er 2~ hown ~est in figure 7, which extends outwardly from a central aperturc 30 and is held Detween a pair of outer, rigid rings 32 and 34. This is shown Dest in the oreal~away in Figure 6. The memoer is made of heat resistant ru~Der in the preferred emDodiment~ although alternative materials could ~e suDstituted.
The annular memDer 28 has a plurality of sections 36 which are each separated Dy a radially extending slit 40, each of which extends from aperture 30 to rings 32 and 34. The aperture 30 is slightly smaller l:han any exhaust pipe the apparatus is adapted to fit. The slits and the resilient material of mem~er 28 allow inlet fitting 22 to oe forced over exhaust pipes sornewhat larger than aperture 30. Thus the inlet fitting is designed to fit a wide range of exhaust pipe si~es.
The apparatus 1 is fitted with an outlet fitting 42 shown in Figure 1 and in ~etter detail in Figure 2. This outlet fitting may oe seen to ~e in the shape of a truncated cone which tapers outwardly from end 43 which is connected to portion 14 of conduit 6 towards open end 46 where éxhaust gases are discharged. Since end 46 has a diameter smaller than end 43 this fittiny acts as a nozzle to concentrate the exhaust gases at a higher velocity on a limited area. This increases the heating effect for a relatively small area.
An alternative outlet fitting 48 is shown in Figures 3 and 4. This fitting has an end 50 which is connected to portion 14 of conduit 6 and an opcn end 52 which is an elongated slot as hest shown in Figure 4. It may be seen that the fitting is flattened and fan-shaped to diffuse the exhsuat gases over a relatively wide area. Thus this outlet fitting is used when the heating effect is desired over a more general area.
A clamp 54, shown in detail in Figure 5, may be used to secure the outlet end of the apparatus in position so the exhaust gases are directed onto the object requiring heflting. For exarnple, in F'igure 1 clamp 54 is used to sE~cure portion 14 of conduit 6 to a vertical ~ection of pip~3 56 leading to fluc~:t l~.
IS Ttle exhaust ga3es c~3n bo rnanually directed by thtl user holcling outlet fitting 42 and directing the gases to the required spot. However, clarnp 54 allows the apparatus to be clamped to some suitable point so the user can go about other activities. When the apparatus is used For thawing a carburettor, -For example, clamp 54 can be secured to some convenient part under the hood of the car, such as the radiator. The clamp is connected to portion 1~l of conduit 6 near the end opposite Fitting 42. As shown in Figure 5 clamp 54 is very similar to the type of clamp used on jumper cables for clamping to battery posts. It consists of a pair of members 58 and 60 which are pivotally connected by a pin 62. The members are resilient biased in the conventional manner so that jaws 6~ and 66 are urged towards ~ach other.
The portion 14 of condui~ 6 is twisted to lock portion 1~ in position, as shown by way of example in Figure 1, and thus keep the exhaust gases trained on the object being heated with the aid of clamp 54.
Figures ~ and 9 illustrate the type oF connection used throughout. One of the members 68 which may be, for example, part of outlet fitting 42, is a straight section of pipeO The other member 70 is tapered and connected, for example, to portion 14 of conduit 6. The members are connected by ~L25~
- G -holding member 68 firmly in one hand and inserting member 70 into member 68 with the other hand and then firmly pushing member 68 onto mernber 70 and turning them. This achieves the connection shown in Figure 9. The members are released by holding member 68 with one hand and with the other hand rocking member 70 back and forth once each way while pulling the members apart. Thus the members are disconnected as shown in Figure 8. As may be seen, the apparatus is a compact unit for easy storage.
Claims (17)
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. An apparatus for conducting hot gases from an exhaust pipe, the apparatus comprising:
an elongated, flexible conduit with an inlet end and an outlet end;
an inlet fitting on the inlet end of the conduit shaped to tightly engage the exhaust pipe; and an outlet fitting on the outlet end of the conduit shaped to direct the hot gases to an object to be heated;
the conduit having a portion comprising a spirally wound conduit which is flexible when twisted in one direction and locks in a desired position when twisted in a direction opposite the one direction.
an elongated, flexible conduit with an inlet end and an outlet end;
an inlet fitting on the inlet end of the conduit shaped to tightly engage the exhaust pipe; and an outlet fitting on the outlet end of the conduit shaped to direct the hot gases to an object to be heated;
the conduit having a portion comprising a spirally wound conduit which is flexible when twisted in one direction and locks in a desired position when twisted in a direction opposite the one direction.
2. An apparatus as claimed in Claim 1, wherein the portion of the conduit is adjacent the outlet fitting.
3. An apparatus as claimed in Claim 2, further comprising a clamp means on the conduit for holding the outlet fitting in position.
4. An apparatus as claimed in Claim 3, wherein the clamp means is near an end of the portion of the conduit opposite the outlet fitting.
5. An apparatus as claimed in Claim 4, wherein the clamp means comprises a pair of pivotally connected members which are resiliently biased towards each other.
6. An apparatus as claimed in Claim 1, wherein the outlet fitting is in the shape of an outwardly tapering truncated cone to concentrate the exhaust gases on the object.
7. An apparatus as claimed in Claim 1, wherein the outlet fitting is flattened and fan-shaped to diffuse the exhaust gases onto the object.
8. An apparatus as claimed in Claim 1, wherein the inlet fitting includes a flexible seal for fitting different sized exhaust pipes.
9. An apparatus as claimed in Claim 8, wherein the seal is a resilient annular member.
10. An apparatus as claimed as in Claim 9, wherein the seal has radially directed slits.
11. An apparatus as claimed in Claim 10, wherein the inlet fitting has a truncated conical shape which has a larger end for facing towards the exhaust pipe, the seal being adjacent the larger end.
12. An apparatus for conducting hot gases from an exhaust pipe, the apparatus comprising:
(a) an elongated, flexible conduit with an inlet end and an outlet end;
(b) an outlet fitting on the outlet end of the conduit shaped to direct the hot gases to an object to be heated; and (c) an inlet fitting on the inlet end of the conduit having a seal for fitting exhaust pipes of different sizes, the seal comprising a resilient annular member having a central aperture for receiving the exhaust pipe.
(a) an elongated, flexible conduit with an inlet end and an outlet end;
(b) an outlet fitting on the outlet end of the conduit shaped to direct the hot gases to an object to be heated; and (c) an inlet fitting on the inlet end of the conduit having a seal for fitting exhaust pipes of different sizes, the seal comprising a resilient annular member having a central aperture for receiving the exhaust pipe.
13. An apparatus as claimed in claim 12, wherein the member has radial slits extending outwardly from the central aperture.
14. An apparatus as claimed in Claim 13, wherein the inlet fitting has the shape of a truncated cone with a larger end directed towards the exhaust pipe, the member being adjacent the larger end.
15. An apparatus for conducting hot gases from an exhaust pipe, the apparatus comprising:
(a) an elongated, flexible conduit with an inlet and an outlet end, the conduit having a portion comprising a spirally wound conduit which is flexible when twisted in one direction and locks in a desired position when twisted in a direction opposite the one direction, the portion being adjacent the outlet end;
(b) an outlet fitting on the outlet end of the conduit, shaped to direct the hot gases to an object to be heated;
(c) an inlet fitting on the inlet end of the conduit having a flexible seal for frictionally engaging exhaust pipes of different sizes, the seal comprising a resilient annular member having a central aperture therein for receiving the exhaust pipe, the inlet fitting having a truncated conical shape which has a larger end for facing towards the exhaust pipe, the member being adjacent the larger end and having radial slits extending outwardly from the central aperture whereby the gases can escape between the slits if the conduit or the outlet fitting is blocked; and (d) clamp means on the conduit for holding the outlet fitting in position, the clamp means being near an end of the portion of the conduit opposite the outlet fitting, the clamp means including a pair of pivotally connected members which are resiliently biased towards each other.
(a) an elongated, flexible conduit with an inlet and an outlet end, the conduit having a portion comprising a spirally wound conduit which is flexible when twisted in one direction and locks in a desired position when twisted in a direction opposite the one direction, the portion being adjacent the outlet end;
(b) an outlet fitting on the outlet end of the conduit, shaped to direct the hot gases to an object to be heated;
(c) an inlet fitting on the inlet end of the conduit having a flexible seal for frictionally engaging exhaust pipes of different sizes, the seal comprising a resilient annular member having a central aperture therein for receiving the exhaust pipe, the inlet fitting having a truncated conical shape which has a larger end for facing towards the exhaust pipe, the member being adjacent the larger end and having radial slits extending outwardly from the central aperture whereby the gases can escape between the slits if the conduit or the outlet fitting is blocked; and (d) clamp means on the conduit for holding the outlet fitting in position, the clamp means being near an end of the portion of the conduit opposite the outlet fitting, the clamp means including a pair of pivotally connected members which are resiliently biased towards each other.
16. An apparatus as claimed in claim 1, wherein the outlet fitting is in the shape of an outwardly tapering truncated cone to concentrate the exhaust gases on the object.
17. An apparatus as claimed in claim 1, wherein the outlet fitting is flattened and fan-shaped to diffuse the exhaust gases onto the object.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/851,349 | 1986-04-14 | ||
| US06/851,349 US4693421A (en) | 1985-04-15 | 1986-04-14 | Apparatus for conducting hot gases from an exhaust pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1256813A true CA1256813A (en) | 1989-07-04 |
Family
ID=25310567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000524151A Expired CA1256813A (en) | 1986-04-14 | 1986-11-28 | Apparatus for conducting hot gases from an exhaust pipe |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1256813A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5609298A (en) * | 1995-11-03 | 1997-03-11 | Hyslop; William J. | Exhaust nozzle assembly for an exhaust extraction system |
| US7527305B2 (en) | 2007-05-31 | 2009-05-05 | Hyslop William J | Hose connector with adjustable ambient air inlets |
-
1986
- 1986-11-28 CA CA000524151A patent/CA1256813A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5609298A (en) * | 1995-11-03 | 1997-03-11 | Hyslop; William J. | Exhaust nozzle assembly for an exhaust extraction system |
| US7527305B2 (en) | 2007-05-31 | 2009-05-05 | Hyslop William J | Hose connector with adjustable ambient air inlets |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |