WO2015102853A1 - Système de filtration d'huile de cuisson portable - Google Patents

Système de filtration d'huile de cuisson portable Download PDF

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Publication number
WO2015102853A1
WO2015102853A1 PCT/US2014/070031 US2014070031W WO2015102853A1 WO 2015102853 A1 WO2015102853 A1 WO 2015102853A1 US 2014070031 W US2014070031 W US 2014070031W WO 2015102853 A1 WO2015102853 A1 WO 2015102853A1
Authority
WO
WIPO (PCT)
Prior art keywords
cooking oil
cart
filtering system
supply tank
tank
Prior art date
Application number
PCT/US2014/070031
Other languages
English (en)
Inventor
Eldridge J. Shumate
Original Assignee
Shumate Eldridge J
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US14/230,271 external-priority patent/US8926837B1/en
Application filed by Shumate Eldridge J filed Critical Shumate Eldridge J
Publication of WO2015102853A1 publication Critical patent/WO2015102853A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J37/00—Baking; Roasting; Grilling; Frying
    • A47J37/12—Deep fat fryers, e.g. for frying fish or chips
    • A47J37/1223—Deep fat fryers, e.g. for frying fish or chips with means for filtering the frying liquid

Definitions

  • the cooking oil is pumped out of the fryer through a hose and is then passed through a filter supported by a screen.
  • the cooking oil passes through the filter into a tank, while the waste is collected by the filter.
  • the cooking oil is then returned to the fryer.
  • the tank for receiving the cooking oil and the pump are often positioned on a cart, which can be moved next to the fryer for the filtering/cleaning process.
  • the hot cooking oil is often exposed and presents a safety hazard to the employees in the vicinity of the fryer.
  • the pump may slow as the filter collects waste and may occasionally stop moving the cooking oil. In that case, the filter media paper must then be removed and disposed of by hand, which creates another safety hazard.
  • the fryer in another method for filtering and cleaning cooking oil, includes a drain valve that is opened to expel the cooking oil through a cone-shaped paper filter supported by a wire mesh screen.
  • the cooking oil passes through the filter into a pot or similar vessel, while the waste is collected by the filter.
  • the cooking oil in the pot must then be poured back into the fryer, which is not only time-consuming, but presents another significant safety hazard.
  • the present invention is a portable cooking oil filtering system.
  • An exemplary cooking oil filtering system made in accordance with the present invention generally comprises a cart or similar mobile framework, with a number of components mounted on the cart, including: a pump; a supply tank; a centrifuge filter; a sludge tank; a filtered oil tank; and the necessary hoses, piping, valves and controls to interconnect and operate such
  • the cart is comprised of a frame mounted on wheels or a similar means for making the cart portable and mobile.
  • the cart may also include a handle, which allows a user to readily push or pull the cart.
  • the portable cooking oil filtering system is connected to a fryer by a hose, placing the cooking oil of the fryer in fluid communication with the pump.
  • an inlet coupling is provided on a front panel of the cart and connects to the hose.
  • the inlet coupling is connected to and in fluid communication with a first valve.
  • the first valve is then connected to and in fluid communication with the pump.
  • the pump can be activated to draw cooking oil through the inlet coupling and the first valve.
  • the cooking oil is then pumped through and out of the pump, and then to a second valve.
  • the cooking oil When the second valve is in a first (open) position, the cooking oil continues through the second valve and is delivered to a supply tank.
  • the centrifuge filter is then in fluid communication with the supply tank.
  • a flow control valve is interposed between the supply tank and the centrifuge filter. When the flow control valve is open, the cooking oil is delivered from the supply tank to the centrifuge filter.
  • the centrifuge filter is driven by a motor, and, as it rotates, centrifugal forces separate the waste (i.e., sludge) from the cooking oil.
  • the waste is collected at the outer wall of the centrifuge filter and is periodically scraped or otherwise removed and discharged into the sludge tank via a discharge line.
  • the pump is reversible. Accordingly, once a volume of filtered cooking oil is in the filtered oil tank, the pump can be reversed, and with the second valve in a second (open) position, the filtered cooking oil is drawn through the second valve and back through the pump. The filtered cooking oil is discharged from the pump, through the first valve, and then back through the hose to the fryer. Alternatively, if the filtered cooking oil in the filtered oil tank is not sufficiently clean, with the first valve in a second (open) position, the pump is activated, and the filtered cooking oil is drawn through the first valve, is pumped through and out of the pump and through the second valve, and is then delivered to the supply tank for another filtering cycle.
  • the portable cooking oil filtering system thus allows for efficient filtering and cleaning of cooking oil, but without any of the safety hazards of prior art systems and methods.
  • FIG. 1 is a perspective view of an exemplary cooking oil filtering system made in accordance with the present invention
  • FIG. 2 is a schematic view of the exemplary cooking oil filtering system of FIG. 1; and FIG. 3 is a block diagram that illustrates a control logic for the exemplary cooking oil filtering system of FIG. 1.
  • the present invention is a portable cooking oil filtering system.
  • FIG. 1 is a perspective view of an exemplary cooking oil filtering system 10 made in accordance with the present invention
  • FIG. 2 is a schematic view of the portable cooking oil filtering system 10.
  • the exemplary portable cooking oil filtering system generally comprises a cart 14 or similar mobile framework, with a number of components mounted on the cart, including: a pump 30; a supply tank 40; a centrifuge filter 50; a sludge tank 66; a filtered oil tank 70; and the necessary hoses, piping, valves and controls to interconnect and operate such components, as will be further described below.
  • the cart 14 is comprised of a frame 16 mounted on wheels 18 or a similar means for making the cart 14 portable and mobile.
  • the cart may also include a handle 15, which allows a user to readily push or pull the cart 14.
  • the frame 16 includes an upper floor panel 19a onto which certain components are mounted (as further described below) and a lower floor panel 19c onto which certain components are mounted (as further described below).
  • Multiple wall panels are also affixed to the frame 16 to enclose the various components within the cart 16.
  • the frame 16 effectively defines two upper compartments, a front upper compartment 16a and a rear upper compartment 16b, and the frame 16 also defines a lower compartment 16c.
  • the cart 14 also includes a door 17a for selectively closing access to the front upper compartment 16a and a door 17b for selectively closing access to the rear upper compartment 16b.
  • the lower door 17a for selectively closing access to the front upper compartment 16a
  • a door 17b for selectively closing access to the rear upper compartment 16b.
  • compartment 16c is illustrated as being open, i.e., there are no wall panels or doors that close access to the lower compartment 16c. Such illustration is primarily to allow the internal components to be viewed and understood, and it is contemplated and preferred that access to the lower compartment 16c would also be closed by some combination of wall panels and/or doors.
  • each of these tanks 40, 66, 70 could be provided with a lid or otherwise closed without departing from the spirit and scope of the present invention.
  • each of the sludge tank 66 and/or the filtered oil tank 70 could be mounted on a panel that is configured for sliding movement with respect to the underlying lower floor panel 19c, such that the sludge tank 66 and/or the filtered oil tank 70 could be moved outside of the frame 16 for ready access.
  • the portable cooking oil filtering system 10 is connected to a fryer 100 by a hose 110, placing the cooking oil of the fryer 100 in fluid communication with the pump 30.
  • an inlet coupling 12 is provided on a front panel of the cart 14 and connects to the hose 110.
  • the inlet coupling 12 is connected to and in fluid communication with a first valve 20, which is preferably a three-way solenoid valve, the importance of which will be further described below.
  • the first valve 20 is then connected to and in fluid communication with the pump 30 via a line 22, and the pump 30 is driven by a motor 32.
  • the pump 30 can be activated to draw cooking oil through the inlet coupling 12, the first valve 20, and the line 22.
  • the cooking oil is then pumped through and out of the pump 30, and then to a second valve 36 via a line 34.
  • the second valve 36 is also preferably a three-way solenoid valve, the importance of which will be further described below.
  • the second valve 36 is in a first (open) position, the cooking oil continues through the second valve 36 and is delivered to a supply tank 40 via a line 38. It is contemplated that the supply tank 40 has a sufficient volume to accommodate all of the cooking oil in the fryer 100 (FIG. 1), thus allowing the fryer 100 (FIG. 1) to be cleaned while the cooking oil is stored in the portable cooking oil filtering system 10.
  • the first valve 20, the pump 30 and motor 32, and the second valve 36 are all mounted in the front upper compartment 16a of the cart 14.
  • the centrifuge filter 50 is then in fluid communication with the supply tank 40.
  • a flow control valve 42 is interposed between the supply tank 40 and the centrifuge filter 50.
  • the flow control valve 42 When the flow control valve 42 is open, the cooking oil is delivered via a line 44 into the centrifuge filter 50.
  • the centrifuge filter 50 is driven by a motor 52, and, as it rotates, centrifugal forces separate the waste (i.e., sludge) from the cooking oil.
  • suitable centrifuge filters that could be adapted for use in the portable cooking oil filtering system of the present invention include: a 3450 RPM Oil
  • Centrifuge distributed by Brahma Engineering d/b/a WVO Designs.
  • the waste is collected at the outer wall of the centrifuge filter 50 and is periodically scraped or otherwise removed and discharged into the sludge tank 66 via a discharge line 64.
  • the discharge line 64 is provided with a shut-off valve 62 to selectively prevent flow through the discharge line 64.
  • the filtered (or clean) cooking oil is delivered via a line 54 to the filtered oil tank 70.
  • the supply tank 40 is mounted in the rear upper compartment 16b of the cart 14, while the centrifuge filter 50 and the filtered oil tank 70 are mounted in the lower compartment 16c of the cart 14.
  • the pump 30 is preferably reversible. Accordingly, once a volume of filtered cooking oil is in the filtered oil tank 70, the pump 30 can be reversed, and with the second valve 36 in a second (open) position, the filtered cooking oil is drawn through a line 72, through the second valve 36, and back through the pump 30. The filtered cooking oil is discharged from the pump 30 through the line 22 and the first valve 20, and then back through the hose 110 to the fryer 100.
  • the hose 110 is shown connected to the drain of the fryer 100; however, as indicated by the dashed lines in FIG. 2, the hose 110 could also be repositioned to deliver the filtered cooking oil to the top of the fryer 100.
  • the pump 30 is activated, and the filtered cooking oil is drawn through a line 74, through the first valve 20, and through the line 22.
  • the cooking oil is then pumped through and out of the pump 30, through the second valve 36 via the line 34, and then delivered to the supply tank 40 via the line 38 for another filtering cycle.
  • the portable cooking oil filtering system 10 thus allows for efficient filtering and cleaning of cooking oil, but without any of the safety hazards of prior art systems and methods.
  • a metal screen or similar filter could be provided in the supply tank 40 to catch larger waste particles before the cooking oil is delivered into the centrifuge filter 50.
  • a catalyst or an anti -oxidant could be introduced into the cooking oil as it moves through the oil filtering system 10, for example, in the supply tank 60, in an effort to extend the life of the cooking oil.
  • FIG. 3 is a block diagram that illustrates a control logic for the exemplary cooking oil filtering system 10 of FIG. 1.
  • a control logic includes a microprocessor 200 with a memory component 202.
  • Each of the valves 20, 36, 42, 62 is operably connected to and receives control signals from the microprocessor 200.
  • the motor 32 for the pump 30 is operably connected to and receives control signals from the microprocessor 200
  • the motor 52 for the centrifuge filter 50 is also operably connected to and receives control signals from the microprocessor 200. Accordingly, each of these components could be operated in response to user input. For instance, certain controls could be provided on a front panel of the cart 14 to allow for such user input.
  • preprogrammed routines could be stored in the memory component 202 to further automate the process.
  • the user may simply have to press a button to activate a preprogrammed routine that operates the valves 20, 36, 42, 62 and activates the pump 30 and the centrifuge filter 50 in the proper sequence to filter and clean the cooking oil of a fryer.
  • one or more sensors could be operably connected to the microprocessor 200 to monitor the operation of the cooking oil filtering system.
  • level sensors could be provided in each of the supply tank 40, the sludge tank 66, and the filtered oil tank 70, in order to ensure that none of these tanks 40, 66, 70 are overfilled. If any such level sensor indicated that a measured level exceeded a predetermined limit, the pump 20 or the centrifuge filter 30 could be automatically shut down.
  • a single portable cooking oil filtering system is described above, it should be appreciated that such a single portable cooking oil filtering system could also be part of a larger system in which the portable cooking oil filtering system is not only used to filter and clean cooking oil, but is also used as a means to transport cooking oil, shuttling between multiple fryers, one or more supply tanks of fresh cooking oil, and one or more waste tanks for sludge and/or old cooking oil.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Frying-Pans Or Fryers (AREA)

Abstract

L'invention concerne un système de filtration d'huile de cuisson portable comprenant : un chariot ; un réservoir d'alimentation installé sur le chariot ; une pompe installée sur le chariot et configurée pour acheminer de l'huile de cuisson d'un appareil de friture au réservoir d'alimentation ; un filtre centrifuge installé sur le chariot et en communication fluidique avec le réservoir d'alimentation, de telle sorte que le filtre centrifuge reçoive l'huile de cuisson du réservoir d'alimentation, puis sépare les résidus de l'huile de cuisson ; un réservoir à résidus installé sur le chariot et configuré pour recevoir les résidus du filtre centrifuge ; et un réservoir d'huile filtrée installé sur le chariot et configuré pour recevoir l'huile de cuisson du filtre centrifuge.
PCT/US2014/070031 2013-12-30 2014-12-12 Système de filtration d'huile de cuisson portable WO2015102853A1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US201361921866P 2013-12-30 2013-12-30
US61/921,866 2013-12-30
US14/230,271 US8926837B1 (en) 2013-12-30 2014-03-31 Portable cooking oil filtering system
US14/230,271 2014-03-31
US201414559269A 2014-12-03 2014-12-03
US14/559,269 2014-12-03

Publications (1)

Publication Number Publication Date
WO2015102853A1 true WO2015102853A1 (fr) 2015-07-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2014/070031 WO2015102853A1 (fr) 2013-12-30 2014-12-12 Système de filtration d'huile de cuisson portable

Country Status (1)

Country Link
WO (1) WO2015102853A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2535948B (en) * 2013-12-21 2018-02-14 Fluid-O-Tech Srl Improvements in or relating to liquid-based cooking apparatuses
EP3569933A1 (fr) * 2018-05-15 2019-11-20 Miele & Cie. KG Appareil acheminant le liquide destiné à la préparation des aliments et / ou des boissons ou au nettoyage d'un article à nettoyer ainsi que son procédé de fonctionnement

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5249511A (en) * 1993-02-09 1993-10-05 Shumate Eldridge J Bulk cooking oil distribution and waste removal system
US5439601A (en) * 1990-05-22 1995-08-08 Filtercorp Partners L.P. Method of filtering using a commercial filtering system
US5597601A (en) * 1996-02-29 1997-01-28 Purifry, Llc Cooking oil filtering apparatus and process employing cylindrical sintered metal filters
US6254790B1 (en) * 1998-04-21 2001-07-03 Henny Penny Corporation Method for filtering suspended materials from cooking substances
US20060091050A1 (en) * 1999-01-19 2006-05-04 Hwang Yong Y Oil treatment system
US20080277325A1 (en) * 2005-06-17 2008-11-13 Philip Charles Marheine Mobile Oil Filtration Unit
US20090321333A1 (en) * 2007-12-26 2009-12-31 Magliocca Charles T Cooking oil filtering system apparatus and system
US8926837B1 (en) * 2013-12-30 2015-01-06 Eldridge J. Shumate Portable cooking oil filtering system

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5439601A (en) * 1990-05-22 1995-08-08 Filtercorp Partners L.P. Method of filtering using a commercial filtering system
US5249511A (en) * 1993-02-09 1993-10-05 Shumate Eldridge J Bulk cooking oil distribution and waste removal system
US5597601A (en) * 1996-02-29 1997-01-28 Purifry, Llc Cooking oil filtering apparatus and process employing cylindrical sintered metal filters
US6254790B1 (en) * 1998-04-21 2001-07-03 Henny Penny Corporation Method for filtering suspended materials from cooking substances
US20060091050A1 (en) * 1999-01-19 2006-05-04 Hwang Yong Y Oil treatment system
US20080277325A1 (en) * 2005-06-17 2008-11-13 Philip Charles Marheine Mobile Oil Filtration Unit
US20090321333A1 (en) * 2007-12-26 2009-12-31 Magliocca Charles T Cooking oil filtering system apparatus and system
US8926837B1 (en) * 2013-12-30 2015-01-06 Eldridge J. Shumate Portable cooking oil filtering system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2535948B (en) * 2013-12-21 2018-02-14 Fluid-O-Tech Srl Improvements in or relating to liquid-based cooking apparatuses
EP3569933A1 (fr) * 2018-05-15 2019-11-20 Miele & Cie. KG Appareil acheminant le liquide destiné à la préparation des aliments et / ou des boissons ou au nettoyage d'un article à nettoyer ainsi que son procédé de fonctionnement

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