CA1037879A - Spiral bowl attachment - Google Patents
Spiral bowl attachmentInfo
- Publication number
- CA1037879A CA1037879A CA203,746A CA203746A CA1037879A CA 1037879 A CA1037879 A CA 1037879A CA 203746 A CA203746 A CA 203746A CA 1037879 A CA1037879 A CA 1037879A
- Authority
- CA
- Canada
- Prior art keywords
- bowl
- housing
- skirt
- fluid
- peripheral lip
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0002—Casings; Housings; Frame constructions
- B01D46/0004—Details of removable closures, lids, caps or filter heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/003—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions including coalescing means for the separation of liquid
- B01D46/0031—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions including coalescing means for the separation of liquid with collecting, draining means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2265/00—Casings, housings or mounting for filters specially adapted for separating dispersed particles from gases or vapours
- B01D2265/02—Non-permanent measures for connecting different parts of the filter
- B01D2265/029—Special screwing connections, threaded sections
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Filtration Of Liquid (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
Abstract of the Disclosure A spiral attachment is provided for attaching a bowl, such as a bowl for a filter or lubricator, to a housing upon rotating said bowl substantially one revolution to secure the bowl to the housing in the same orientation each time it is attached. The bowl is provided with a male or a female spiral element extending about 360° therearound. The housing has a skirt provided with a mating female or male spiral element engagable with the spiral element on the bowl.
Description
1037~79 Background of the Invention Field of the Invention In accordance with this invention a bowl attachment is provided and more particularly a spiral bowl attachment for attaching a bowl of a fluid conditioning device, such as a filter or lubricator, to a housing.
Description of the Prior Art Conventionally, bowls for lubricators or filters are attached to a housing either by means of a locking ring or by means of a threaded connection wherein the housing has a depending skirt with internal threads and the bowl has external threads at the lip thereof which engage the threads on the housing. An example of a bowl attached by means of a locking ~ ~ -ring is shown in U.S. Patent No. 3,214,054 to Poethig et al ~
which issued on October 26, 1965. Although the operation of ~ -such device is usually satisfactory, the difficulty lies in the fact that it is more costly to manufacture because of the ;~
additional locking ring part required and a service man occasion- ; -ally may have difficulty in assembling the various parts together into an operative unit. Furthermore, there is no assurance that the bowl, which may carry indicia, will be properly oriented each time it is reattached. Examples of a ~ `
threaded connection is shown in commonly assigned U.S. Patent No. 3,368,645 to Hoffman et al which issued on February 13, 1968 ~ -~nd U.S. Patent No. 2,165,634 to Jung et al which issued on July 11, 1939. This type of connection is also satisfactory and while not requiring an additional locking ring it does require the service man to rotate the bowl through several revolutions until it is in tight engagement with the housing which requires considerable time and effort on the part of the service man, in addition to which the bowl will not always be oriented in the same position each time it is attached. This is partic~larly ~k/Jc-1037~79 troublesome if the bowl has indicia thereon or includes a sightglass which must be positioned appropriately for viewing. Thus, the service man, if he is careless, may attach a bowl after replacing a filter or other internal element in such a way that indicia thereon cannot easily be read or if he takes the time and trouble to properly position the indicia additional labour -~
costs in the repair or replacement are incurred.
Summary of the Invention In accordance with this invention, a fluid condition-ing device is provided which has a housing with~circumferential skirt for receiving the lip of a bowl and attaching means which comprises a female spiral element on one of the skirt and the peripheral lip of the bowl extending about 360 around the one of the skirt and the lip and a male spiral element on the other of the skirt and the lip engageable with the female spiral element for attaching the bowl to the housing by bringing the peripheral lip of the bowl into engagement with the circumferen- ~
tial skirt upon rotation of the bowl about 360 to attach this -bowl to the housing upon engagement of the female and male spiral elements so that the bowl assumes the same orientation with respect to the housing each time the bowl is attached to the housing after a turn of substantially one revolution. More particularly, it has been found advantageous to provide a female spiral element on the ~kirt of the housing and a male spiral ; .
element on the bowl wherein the two can be interconnected upon one revolution turn of the bowl with respect to the housing.
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In an alternaltive embodiment the male element can be Jegmented rather than being a continuous flange, if desired.
Thus, any indicia on the bowl or any sight glass ~-30 associated with the bowl will always be properly positioned '~
sinoe the bowl will always be in fully engaged position at the ~ame point of rotation which i8 always about 360. Conveniently, -~
. -- .
such a spiral attachment provides for full support of the bowl
Description of the Prior Art Conventionally, bowls for lubricators or filters are attached to a housing either by means of a locking ring or by means of a threaded connection wherein the housing has a depending skirt with internal threads and the bowl has external threads at the lip thereof which engage the threads on the housing. An example of a bowl attached by means of a locking ~ ~ -ring is shown in U.S. Patent No. 3,214,054 to Poethig et al ~
which issued on October 26, 1965. Although the operation of ~ -such device is usually satisfactory, the difficulty lies in the fact that it is more costly to manufacture because of the ;~
additional locking ring part required and a service man occasion- ; -ally may have difficulty in assembling the various parts together into an operative unit. Furthermore, there is no assurance that the bowl, which may carry indicia, will be properly oriented each time it is reattached. Examples of a ~ `
threaded connection is shown in commonly assigned U.S. Patent No. 3,368,645 to Hoffman et al which issued on February 13, 1968 ~ -~nd U.S. Patent No. 2,165,634 to Jung et al which issued on July 11, 1939. This type of connection is also satisfactory and while not requiring an additional locking ring it does require the service man to rotate the bowl through several revolutions until it is in tight engagement with the housing which requires considerable time and effort on the part of the service man, in addition to which the bowl will not always be oriented in the same position each time it is attached. This is partic~larly ~k/Jc-1037~79 troublesome if the bowl has indicia thereon or includes a sightglass which must be positioned appropriately for viewing. Thus, the service man, if he is careless, may attach a bowl after replacing a filter or other internal element in such a way that indicia thereon cannot easily be read or if he takes the time and trouble to properly position the indicia additional labour -~
costs in the repair or replacement are incurred.
Summary of the Invention In accordance with this invention, a fluid condition-ing device is provided which has a housing with~circumferential skirt for receiving the lip of a bowl and attaching means which comprises a female spiral element on one of the skirt and the peripheral lip of the bowl extending about 360 around the one of the skirt and the lip and a male spiral element on the other of the skirt and the lip engageable with the female spiral element for attaching the bowl to the housing by bringing the peripheral lip of the bowl into engagement with the circumferen- ~
tial skirt upon rotation of the bowl about 360 to attach this -bowl to the housing upon engagement of the female and male spiral elements so that the bowl assumes the same orientation with respect to the housing each time the bowl is attached to the housing after a turn of substantially one revolution. More particularly, it has been found advantageous to provide a female spiral element on the ~kirt of the housing and a male spiral ; .
element on the bowl wherein the two can be interconnected upon one revolution turn of the bowl with respect to the housing.
~j.. .. .....
In an alternaltive embodiment the male element can be Jegmented rather than being a continuous flange, if desired.
Thus, any indicia on the bowl or any sight glass ~-30 associated with the bowl will always be properly positioned '~
sinoe the bowl will always be in fully engaged position at the ~ame point of rotation which i8 always about 360. Conveniently, -~
. -- .
such a spiral attachment provides for full support of the bowl
-2-~k/~o 10378t79 around its periphery yet allowing for only one orientation of the bowl with respect to the housing.
Additional advantages and novel features will become apparent from the description which follows, taken in conjunc-tion with the accompanying drawings: -Brief Description of the Drawings Fig. 1 is a side elevation of a fluid conditioning ~-device utilizing the spiral attachment of this invention; `~
Fig. 2 is an exploded fragmentary section, taken along line 2-2 of Fig. 1, showing a female spiral on a skirt of the housing and a male spiral element on the lip of a bowl;
Fig. 3 is an enlarged vertical section showing the bowl and housing of Fig. 2 in engagement with each other; and Fig. 4 is a fragmentary side elevation of an alter-native male flange for a bowl.
Description of the Preferred Embodiments In accordance with this invention, a fluid condition- ;
ing device F is provided, as shown in Fig. 1, which includes a ~- r housing H to which a depending bowl B is attached. The fluid~ -20 conditioning device can take the form of a filter or lubricator ~ -or any other structure requiring a housing and a bowl. For convenience of illustration, fluid conditioning device F has been illustrated as a filter. ~hus, as best seen in Fig. 2, the housing ~ includes an inlet 4 allowing fluid to enter the housing and pass down into the bowl and through a filter element ;~
6, only partially shown in Fig. 3, and out through an outlet 8.
Conveniently, the housing is provided with an internal circular flange 10 having internal threads 12 to which threads 14 of ehe filter 6 may be attached for connecting the filter element to the housing.
Conveniently, the housing H is provided with depending skirt 16 which is illustrated as having an internal spiral ~3~
~k/~o , i, , -, . .
~ . .
10378'79 flange 18 for mating with a male spiral flange 20 formed integrally on the peripheral lip 22 of bowl B, as shown in Fig. 2. For convenience of illustration the bowl B in Fig. 2 has been positioned so that the ends of spiral 20 are visible.
However, when the bowl is to be inserted in skirt 16 it would first be oriented 180 to the position shown so that the upper - -end of spiral 20 is received in recess 24 at the lower end of spiral 18 whereupon the bowl will be rotated approximately 360 to attach it in position as shown in Fig. 3. Conveniently, ~ --lip 22 has a recess receiving an O-ring 26 which forms a seal between lip 22 and skirt 16. Also, bowl B may be provided with a drain valve 28.
It can be seen that if it is necessary to replace filter 6 the service man need merely rotate bowl B approximately 360 to remove the bowl from housing H whereupon the filter can be replaced. After replacement of the filter, the bowl can be again attached to the housing by positioning the upper end of ~
spiral 20 to mate with the recess 24 of lower spiral 18 and then -rotating the bowl 360 whereupon the bowl will be in the same orientation that it was before removal. It is clear that this , . . .
has been accomplished without any effort on the part of the ; -~
service man and that this is desirable, particularly in those instances where the bowl bears indicia which must be positioned for reading or in a device having a sight tube which must also be properly positioned.
An alternative embodiment is shown in Fig. 4 wherein a bowl B' is provided having a lip 22' with segmented spiral seotions 30 which can be received in female spiral 18 in the same manner as spiral 20, described above.
From the foregoing, the advantages of this invention are readily apparent. A spiral flange attachment has been provided which causes a bowl to be attached to a housing of a `
-4~
' ~k/~
10378~9 fluid conditioning device in the same orientation each time and requires a turn of only about 360. Of course, it will be understood that the spiral flanges could be slightly greater than 360 to allow lead-in of the cooperating spiral elements before the bowl is drawn tightly into the skirt of the housing.
The invention has been described in detail with parti-cular reference to preferred embodiments thereof, but it will be understood that variations and modifications can be effected within the spirit and scope of the invention.
,.,' ,, .
, ~, .
... .
, ~S-- .
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.. . . . ... ..
:. . - . .
. .
- ' ' ' ~-' ' : '
Additional advantages and novel features will become apparent from the description which follows, taken in conjunc-tion with the accompanying drawings: -Brief Description of the Drawings Fig. 1 is a side elevation of a fluid conditioning ~-device utilizing the spiral attachment of this invention; `~
Fig. 2 is an exploded fragmentary section, taken along line 2-2 of Fig. 1, showing a female spiral on a skirt of the housing and a male spiral element on the lip of a bowl;
Fig. 3 is an enlarged vertical section showing the bowl and housing of Fig. 2 in engagement with each other; and Fig. 4 is a fragmentary side elevation of an alter-native male flange for a bowl.
Description of the Preferred Embodiments In accordance with this invention, a fluid condition- ;
ing device F is provided, as shown in Fig. 1, which includes a ~- r housing H to which a depending bowl B is attached. The fluid~ -20 conditioning device can take the form of a filter or lubricator ~ -or any other structure requiring a housing and a bowl. For convenience of illustration, fluid conditioning device F has been illustrated as a filter. ~hus, as best seen in Fig. 2, the housing ~ includes an inlet 4 allowing fluid to enter the housing and pass down into the bowl and through a filter element ;~
6, only partially shown in Fig. 3, and out through an outlet 8.
Conveniently, the housing is provided with an internal circular flange 10 having internal threads 12 to which threads 14 of ehe filter 6 may be attached for connecting the filter element to the housing.
Conveniently, the housing H is provided with depending skirt 16 which is illustrated as having an internal spiral ~3~
~k/~o , i, , -, . .
~ . .
10378'79 flange 18 for mating with a male spiral flange 20 formed integrally on the peripheral lip 22 of bowl B, as shown in Fig. 2. For convenience of illustration the bowl B in Fig. 2 has been positioned so that the ends of spiral 20 are visible.
However, when the bowl is to be inserted in skirt 16 it would first be oriented 180 to the position shown so that the upper - -end of spiral 20 is received in recess 24 at the lower end of spiral 18 whereupon the bowl will be rotated approximately 360 to attach it in position as shown in Fig. 3. Conveniently, ~ --lip 22 has a recess receiving an O-ring 26 which forms a seal between lip 22 and skirt 16. Also, bowl B may be provided with a drain valve 28.
It can be seen that if it is necessary to replace filter 6 the service man need merely rotate bowl B approximately 360 to remove the bowl from housing H whereupon the filter can be replaced. After replacement of the filter, the bowl can be again attached to the housing by positioning the upper end of ~
spiral 20 to mate with the recess 24 of lower spiral 18 and then -rotating the bowl 360 whereupon the bowl will be in the same orientation that it was before removal. It is clear that this , . . .
has been accomplished without any effort on the part of the ; -~
service man and that this is desirable, particularly in those instances where the bowl bears indicia which must be positioned for reading or in a device having a sight tube which must also be properly positioned.
An alternative embodiment is shown in Fig. 4 wherein a bowl B' is provided having a lip 22' with segmented spiral seotions 30 which can be received in female spiral 18 in the same manner as spiral 20, described above.
From the foregoing, the advantages of this invention are readily apparent. A spiral flange attachment has been provided which causes a bowl to be attached to a housing of a `
-4~
' ~k/~
10378~9 fluid conditioning device in the same orientation each time and requires a turn of only about 360. Of course, it will be understood that the spiral flanges could be slightly greater than 360 to allow lead-in of the cooperating spiral elements before the bowl is drawn tightly into the skirt of the housing.
The invention has been described in detail with parti-cular reference to preferred embodiments thereof, but it will be understood that variations and modifications can be effected within the spirit and scope of the invention.
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... .
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.. . . . ... ..
:. . - . .
. .
- ' ' ' ~-' ' : '
Claims (5)
OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. A fluid conditioning device including:
a housing having an inlet and an outlet connectable in a fluid line, fluid conditioning means located between the inlet and outlet, and a circumferential skirt for receiving a lip of a bowl;
a bowl having a peripheral lip attachable to said housing for retaining the fluid in said fluid conditioning device; and means for attaching said bowl to said housing, said attaching means comprising:
a female spiral element on one of said skirt and said peripheral lip of said bowl extending about 360° around said one of said skirt and said peripheral lip; and a male spiral element on the other of said skirt and said peripheral lip engageable with said female spiral element for attaching said bowl to said housing by bringing said peripheral lip of said bowl into engagement with said circumferential skirt upon rotation of said bowl about 360° to attach said bowl to said housing upon engagement of said female and male spiral elements so that said bowl assumes the same orientation with respect to said housing each time said bowl is attached to said housing after a turn of substantially one revolution.
a housing having an inlet and an outlet connectable in a fluid line, fluid conditioning means located between the inlet and outlet, and a circumferential skirt for receiving a lip of a bowl;
a bowl having a peripheral lip attachable to said housing for retaining the fluid in said fluid conditioning device; and means for attaching said bowl to said housing, said attaching means comprising:
a female spiral element on one of said skirt and said peripheral lip of said bowl extending about 360° around said one of said skirt and said peripheral lip; and a male spiral element on the other of said skirt and said peripheral lip engageable with said female spiral element for attaching said bowl to said housing by bringing said peripheral lip of said bowl into engagement with said circumferential skirt upon rotation of said bowl about 360° to attach said bowl to said housing upon engagement of said female and male spiral elements so that said bowl assumes the same orientation with respect to said housing each time said bowl is attached to said housing after a turn of substantially one revolution.
2. A fluid conditioning device, as claimed in Claim 1, wherein one of said male and female spiral elements is segmented and the other is continuous.
3. A fluid conditioning device, as claimed in Claim 1, further including:
peripheral sealing means coacting between said bowl and said housing to provide a fluid tight seal upon attachment of said bowl to said housing.
peripheral sealing means coacting between said bowl and said housing to provide a fluid tight seal upon attachment of said bowl to said housing.
4. A fluid conditioning device, as claimed in Claim 1, wherein both of said male and female spiral elements are continuous.
5. In a fluid conditioning device having a housing with an inlet and an outlet connectable in a fluid line, fluid con-ditioning means located between the inlet and outlet, a circum-ferential skirt for receiving a lip of a bowl, a bowl attachable to the housing for retaining the fluid in the fluid conditioning device and having a peripheral lip, the improvement comprising:
means for attaching said bowl to said housing, said attaching means including:
a female spiral element on one of said skirt and said peripheral lip of the bowl extending about 360° around said one of said skirt and said peripheral lip; and a male spiral element on the other of said skirt and said peripheral lip engageable with said female spiral element for attaching the bowl to the housing by bringing said peripheral lip of the bowl into engagement with said circumferential skirt upon rotation of the bowl about 360° to attach the bowl to the housing upon engagement of said female and male spiral elements so that the bowl assumes the same orientation with respect to the housing each time the bowl is attached to the housing after a turn of sub-stantially one revolution.
means for attaching said bowl to said housing, said attaching means including:
a female spiral element on one of said skirt and said peripheral lip of the bowl extending about 360° around said one of said skirt and said peripheral lip; and a male spiral element on the other of said skirt and said peripheral lip engageable with said female spiral element for attaching the bowl to the housing by bringing said peripheral lip of the bowl into engagement with said circumferential skirt upon rotation of the bowl about 360° to attach the bowl to the housing upon engagement of said female and male spiral elements so that the bowl assumes the same orientation with respect to the housing each time the bowl is attached to the housing after a turn of sub-stantially one revolution.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US37850573A | 1973-07-12 | 1973-07-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1037879A true CA1037879A (en) | 1978-09-05 |
Family
ID=23493373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA203,746A Expired CA1037879A (en) | 1973-07-12 | 1974-06-28 | Spiral bowl attachment |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5033561A (en) |
| AR (1) | AR201599A1 (en) |
| BR (1) | BR7405659D0 (en) |
| CA (1) | CA1037879A (en) |
| GB (1) | GB1481317A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63156047U (en) * | 1987-04-01 | 1988-10-13 | ||
| AU2005233092B2 (en) * | 2004-04-05 | 2010-10-14 | 3M Innovative Properties Company | Hot disconnect replaceable water filter assembly |
| US20060278227A1 (en) * | 2005-06-08 | 2006-12-14 | Imi Norgren, Inc. | Ventilator system |
-
1974
- 1974-06-28 CA CA203,746A patent/CA1037879A/en not_active Expired
- 1974-07-03 JP JP49076205A patent/JPS5033561A/ja active Pending
- 1974-07-10 BR BR565974A patent/BR7405659D0/en unknown
- 1974-07-12 GB GB3094074A patent/GB1481317A/en not_active Expired
- 1974-07-12 AR AR25466174A patent/AR201599A1/en active
Also Published As
| Publication number | Publication date |
|---|---|
| AR201599A1 (en) | 1975-03-31 |
| JPS5033561A (en) | 1975-03-31 |
| BR7405659D0 (en) | 1975-05-20 |
| GB1481317A (en) | 1977-07-27 |
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