Patent US1089512A successfully refreshed from Google Patents.
Patent US3822919A successfully refreshed from Google Patents.
US3822919A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for fluidizing and handling particulates
Assignee: Jeep Corp
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Filing: 1973-04-02
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Granted: 1974-07-09
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Expires: 1993-04-02
Abstract
Abstract An improved apparatus and method for fluidizing and handling particulate material, wherein separate means are employed to change the angle of inclination of the main support for the particulate material and to fluidize the particulate material.
Inventors
- 👤 L Strom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:06
CPC Classifications
B; B65; B65G; B65G53/00; B65G53/04; B65G53/16; B65G53/18; B65G53/22
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
108 words
A device for use in handling and transporting pulverulent materials comprising in combination an expansion chamber and support means, a plenum chamber and aerating membrane-like covering means disposed upon and separately sealed from said expansion chamber and support means, means for supplying a fluid medium to said expansion chamber and support means, and separate means for supplying a gaseous medium to said plenum chamber and aerating membrane-like covering means so as to effect fluidization of the pulverulent material disposed upon said aerating membrane-like covering means, said membrane-like covering means being made from a fabric having abrasion resistance properties and one which is coated with a relatively friction-free film.
Claim 2
Independent Claim
108 words
A device for use in handling and transporting pulverulent materials comprising in combination an expansion chamber and support means, a plenum chamber and aerating membrane-like covering means disposed upon and separately sealed from said expansion chamber and support means, means for supplying a fluid medium to said expansion chamber and support means, and separate means for supplying a gaseous medium to said plenum chamber and aerating membrane-like covering means so as to effect fluidization of the pulverulent material disposed upon said aerating membrane-like covering means, said membrane-like covering means being made from a fabric having abrasion resistance properties and one which is coated with a relatively friction-free film.
Claim 3
Dependent Claim
16 words
A device as set forth in claim 1 in which said film is coMposed of polytetrafluoroethylene.
Claim 4
Independent Claim
130 words
A device for use in handling and transporting pulverulent materials comprising in combination an expansion chamber and support means, a plenum chamber and aerating membrane-like covering means disposed upon and separately sealed from said expansion chamber and support means, means for supplying a fluid medium to said expansion chamber and support means for expanding said expansion chamber and support means, and separate means for supplying a gaseous medium to said plenum chamber and aerating membrane-like covering means so as to effect fluidization of the pulverulent material disposed upon said aerating membrane-like covering means, said means for supplying the gaseous medium including means for controlling the temperature of said gaseous medium prior to passage of the medium into the plenum chamber portion of said plenum chamber and aerating membrane-like covering means.
Claim 5
Independent Claim
130 words
A device for use in handling and transporting pulverulent materials comprising in combination an expansion chamber and support means, a plenum chamber and aerating membrane-like covering means disposed upon and separately sealed from said expansion chamber and support means, means for supplying a fluid medium to said expansion chamber and support means for expanding said expansion chamber and support means, and separate means for supplying a gaseous medium to said plenum chamber and aerating membrane-like covering means so as to effect fluidization of the pulverulent material disposed upon said aerating membrane-like covering means, said means for supplying the gaseous medium including means for controlling the temperature of said gaseous medium prior to passage of the medium into the plenum chamber portion of said plenum chamber and aerating membrane-like covering means.
Claim 6
Independent Claim
139 words
A system for handling and transporting finely divided pulverulent material comprising the combination of a cargo hold, an expansion chamber and support means mounted in said hold, a plenum chamber and aerating membrane-like covering means disposed upon and separately sealed from said expansion chamber and support means, means for supplying a fluid medium to the chamber portion of said expansion chamber and support means, separate means operable independently of and simultaneously with said fluid medium supplying means for supplying an inert gaseous medium to the plenum chamber portion of said plenum chamber and aerating membrane-like covering means so as to effect fluidization of the finely divided pulverulent material disposed upon said aerating membrane-like covering means, means for recycling said inert gaseous medium in said system, and means for transferring the fluidized material from the cargo hold to another location.
Claim 7
Independent Claim
139 words
A system for handling and transporting finely divided pulverulent material comprising the combination of a cargo hold, an expansion chamber and support means mounted in said hold, a plenum chamber and aerating membrane-like covering means disposed upon and separately sealed from said expansion chamber and support means, means for supplying a fluid medium to the chamber portion of said expansion chamber and support means, separate means operable independently of and simultaneously with said fluid medium supplying means for supplying an inert gaseous medium to the plenum chamber portion of said plenum chamber and aerating membrane-like covering means so as to effect fluidization of the finely divided pulverulent material disposed upon said aerating membrane-like covering means, means for recycling said inert gaseous medium in said system, and means for transferring the fluidized material from the cargo hold to another location.
Claim 8
Independent Claim
152 words
A system for handling and transporting finely divided pulverulent material comprising the combination of a cargo hold, an expansion chamber and support means mounted in said hold, a plenum chamber and aerating membrane-like covering means disposed upon and separately sealed from said expansion chamber and support means, means for supplying a fluid medium to the chamber portion of said expansion chamber and support means for selectively expanding said expansion chamber and support means, separate means operable independently of and simultaneously with said fluid medium supplying means for supplying a gaseous medium to the plenum chamber portion of said plenum chamber and aerating membrane-like covering means so as to effect fluidization of the finely divided pulverulent material disposed upon said aerating membrane-like covering means, means for dehumidifying said gaseous medium prior to passage thereof to said plenum chamber means, and means for transferring the fluidized material from the cargo hold to another location.
Claim 9
Independent Claim
152 words
A system for handling and transporting finely divided pulverulent material comprising the combination of a cargo hold, an expansion chamber and support means mounted in said hold, a plenum chamber and aerating membrane-like covering means disposed upon and separately sealed from said expansion chamber and support means, means for supplying a fluid medium to the chamber portion of said expansion chamber and support means for selectively expanding said expansion chamber and support means, separate means operable independently of and simultaneously with said fluid medium supplying means for supplying a gaseous medium to the plenum chamber portion of said plenum chamber and aerating membrane-like covering means so as to effect fluidization of the finely divided pulverulent material disposed upon said aerating membrane-like covering means, means for dehumidifying said gaseous medium prior to passage thereof to said plenum chamber means, and means for transferring the fluidized material from the cargo hold to another location.
Claim 10
Dependent Claim
135 words
Apparatus for use in a storage container for pulverant material which container has a rigid load supporting bottom wall, said apparatus comprising an impermeable sheet conformable to said bottom wall and having first and second boundaries, a flexible fluid permeable membrane overlying said sheet and having a periphery joined to said sheet so as to define a plenum between said sheet and said membrane, means for tilting said sheet so that said first boundary is at a vertical level above said second boundary, and means for supplying fluid to said plenum so that pulverant material on said membrane is fluidized and caused to gravitate toward said second boundary, said sheet tilting means including a plurality of flexible impermeable walls joined to define a self-contained inflatable wedge-shaped chamber wherein one of said walls constitutes said sheet.
Claim 11
Dependent Claim
135 words
Apparatus for use in a storage container for pulverant material which container has a rigid load supporting bottom wall, said apparatus comprising an impermeable sheet conformable to said bottom wall and having first and second boundaries, a flexible fluid permeable membrane overlying said sheet and having a periphery joined to said sheet so as to define a plenum between said sheet and said membrane, means for tilting said sheet so that said first boundary is at a vertical level above said second boundary, and means for supplying fluid to said plenum so that pulverant material on said membrane is fluidized and caused to gravitate toward said second boundary, said sheet tilting means including a plurality of flexible impermeable walls joined to define a self-contained inflatable wedge-shaped chamber wherein one of said walls constitutes said sheet.
Claim 12
Dependent Claim
27 words
Apparatus according to claim 6 in combination with a suction tube depending into said container, said suction tube having an inlet opening adjacent to said second boundary.
Claim 13
Independent Claim
148 words
A system for handling and transporting finely divided pulverulent material cOmprising the combination of a cargo hold, an expansion chamber and support means mounted in said hold, a plenum chamber and aerating membrane-like covering means disposed upon and separately sealed from said expansion chamber and support means, means for supplying a fluid medium to the chamber portion of said expansion chamber and support means for selectively expanding said expansion chamber and support means, separate means operable independently of and simultaneously with said fluid medium supplying means for supplying an inert gaseous medium to the plenum chamber portion of said plenum chamber and aerating membrane-like covering means so as to effect fluidization of the finely divided pulverulent material disposed upon said aerating membrane-like covering means, means for recycling the inert gaseous medium in said system, and means for transferring the fluidized material from the cargo hold to another location.
Claim 14
Independent Claim
148 words
A system for handling and transporting finely divided pulverulent material cOmprising the combination of a cargo hold, an expansion chamber and support means mounted in said hold, a plenum chamber and aerating membrane-like covering means disposed upon and separately sealed from said expansion chamber and support means, means for supplying a fluid medium to the chamber portion of said expansion chamber and support means for selectively expanding said expansion chamber and support means, separate means operable independently of and simultaneously with said fluid medium supplying means for supplying an inert gaseous medium to the plenum chamber portion of said plenum chamber and aerating membrane-like covering means so as to effect fluidization of the finely divided pulverulent material disposed upon said aerating membrane-like covering means, means for recycling the inert gaseous medium in said system, and means for transferring the fluidized material from the cargo hold to another location.
Claim 15
Independent Claim
167 words
A system for handling and transporting finely divided pulverulent material comprising the combination of a cargo hold, an expansion chamber and support means mounted in said hold, a plenum chamber and aerating membrane-like covering means disposed upon and separately sealed from said expansion chamber and support means, means for supplying a fluid medium to the chamber portion of said expansion chamber and support means for selectively expanding said expansion chamber and support means, separate means operable independently of and simultaneously with said fluid medium supplying means for supplying a gaseous medium to the plenum chamber portion of said plenum chamber and aerating membrane-like covering means so as to effect fluidization of the finely divided pulverulent material disposed upon said aerating membrane-like covering means, said supplying means including means for dehumidifying the gaseous medium prior to passage of said gaseous medium to the plenum chamber portion of said plenum chamber and membrane-like covering means and means for transferring the fluidized material from the cargo hold to another location.
Claim 16
Independent Claim
167 words
A system for handling and transporting finely divided pulverulent material comprising the combination of a cargo hold, an expansion chamber and support means mounted in said hold, a plenum chamber and aerating membrane-like covering means disposed upon and separately sealed from said expansion chamber and support means, means for supplying a fluid medium to the chamber portion of said expansion chamber and support means for selectively expanding said expansion chamber and support means, separate means operable independently of and simultaneously with said fluid medium supplying means for supplying a gaseous medium to the plenum chamber portion of said plenum chamber and aerating membrane-like covering means so as to effect fluidization of the finely divided pulverulent material disposed upon said aerating membrane-like covering means, said supplying means including means for dehumidifying the gaseous medium prior to passage of said gaseous medium to the plenum chamber portion of said plenum chamber and membrane-like covering means and means for transferring the fluidized material from the cargo hold to another location.
Claim 17
Independent Claim
170 words
A system for handling and transporting finely divided pulverulent material comprising the combination of a cargo hold, an expansion chamber and support means mounted in said hold, a plenum chamber and aerating membrane-like covering means disposed upon and separately sealed from said expansion chamber and support means, means for supplying a fluid medium to the chamber portion of said expansion chamber and support means for selectively expanding said expansion chamber and support means, separate means operable independently of and simultaneously with said fluid medium supplying means for supplying a gaseous medium to the plenum chamber portion of said plenum chamber and aerating membrane-like covering means so as to effect fluidization of the finely divided pulverulent material disposed upon said aerating membrane-like covering means, said supplying means including means for controlling the temperature of said gaseous medium prior to introduction of the gaseous medium into said plenum chamber portion of the plenum chamber and membrane-like covering means, and means for transferring the fluidized material from the cargo hold to another location.
Claim 18
Independent Claim
170 words
A system for handling and transporting finely divided pulverulent material comprising the combination of a cargo hold, an expansion chamber and support means mounted in said hold, a plenum chamber and aerating membrane-like covering means disposed upon and separately sealed from said expansion chamber and support means, means for supplying a fluid medium to the chamber portion of said expansion chamber and support means for selectively expanding said expansion chamber and support means, separate means operable independently of and simultaneously with said fluid medium supplying means for supplying a gaseous medium to the plenum chamber portion of said plenum chamber and aerating membrane-like covering means so as to effect fluidization of the finely divided pulverulent material disposed upon said aerating membrane-like covering means, said supplying means including means for controlling the temperature of said gaseous medium prior to introduction of the gaseous medium into said plenum chamber portion of the plenum chamber and membrane-like covering means, and means for transferring the fluidized material from the cargo hold to another location.
Claim 19
Independent Claim
109 words
A device for use in handling and transporting pulverulent materials comprising in combination an expansion chamber and support means, a plenum chamber and aerating membrane-like covering means disposed upon and separately sealed from expansion chamber and support means, means for supplying a fluid medium to said expansion chamber and support means for expanding said expansion chamber and support means, separate means for supplying a gaseous medium to said plenum chamber and aerating membrane-like covering means so as to effect fluidization of the pulverulent material disposed upon said aerating membrane-like covering means, and means for dehumidifying said gaseous medium prior to passage of the same into said plenum chamber means.
Claim 20
Independent Claim
109 words
A device for use in handling and transporting pulverulent materials comprising in combination an expansion chamber and support means, a plenum chamber and aerating membrane-like covering means disposed upon and separately sealed from expansion chamber and support means, means for supplying a fluid medium to said expansion chamber and support means for expanding said expansion chamber and support means, separate means for supplying a gaseous medium to said plenum chamber and aerating membrane-like covering means so as to effect fluidization of the pulverulent material disposed upon said aerating membrane-like covering means, and means for dehumidifying said gaseous medium prior to passage of the same into said plenum chamber means.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-07-08 | 1978-01-07 | 1978-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-08 | 1982-01-07 | 1982-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-08 | 1986-01-07 | 1986-07-09 | $7700.00 | Window Closed / Lapsed |