US20070125120A1 - Refrigeration system for cabinets - Google Patents

Refrigeration system for cabinets Download PDF

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Publication number
US20070125120A1
US20070125120A1 US10/596,076 US59607604A US2007125120A1 US 20070125120 A1 US20070125120 A1 US 20070125120A1 US 59607604 A US59607604 A US 59607604A US 2007125120 A1 US2007125120 A1 US 2007125120A1
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US
United States
Prior art keywords
tube
refrigeration system
internal peripheral
outlet
peripheral walls
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US10/596,076
Inventor
Marco Marques
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Whirlpool SA
Original Assignee
Multibras SA
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
Application filed by Multibras SA filed Critical Multibras SA
Assigned to MULTIBRAS S.A. ELETRODOMESTICOS reassignment MULTIBRAS S.A. ELETRODOMESTICOS ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: MARQUES, MARCO EDUARDO
Publication of US20070125120A1 publication Critical patent/US20070125120A1/en
Abandoned legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
    • F25B5/02—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in parallel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00—Evaporators; Condensers
    • F25B39/02—Evaporators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/06—Walls
    • F25D23/061—Walls with conduit means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/02—Doors; Covers
    • F25D23/026—Doors; Covers for open-top cabinets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/10—Refrigerator top-coolers

Definitions

  • the present invention refers to an improvement introduced in the refrigeration system of cabinets, such as those applied to horizontal freezers used for cooling or preserving beverages or other products and which comprise a cabinet provided with a top cover.
  • the upper end of the tube is connected to the expanding element of the refrigeration circuit, the lower end of said tube of the evaporator being maintained in fluid communication with the suction of the compressor that compresses the refrigerant fluid of the refrigeration system.
  • the cabinet refrigeration systems arranged in the manner described above are deficient when the thermal load is replaced in a high frequency, which usually occurs when these cabinets are used as a beverage cooler or preserver.
  • the lower region of the evaporator which is useless in terms of heat exchange by the fact that it receives only the already vaporized refrigerant fluid, is progressively reduced, making the evaporator to be also progressively more efficient.
  • the improvement of the invention is introduced in a refrigeration system for a cabinet provided with a top cover and with internal peripheral walls, made of metallic sheet and around which is seated an evaporating means connected to the outlet of an expanding device (in its turn connected to a condenser) and to the suction of a compressor of the refrigeration system.
  • the evaporating means comprises at least two tube extensions, each of them being seated around a respective height portion of the internal peripheral walls, and having a refrigerant fluid inlet end maintained in fluid communication with a respective expanding device and a refrigerant fluid outlet end maintained in fluid communication with the compressor.
  • the constructive arrangement described above allows reducing, diametrically, the tube extensions of the evaporator, without increasing the velocity of the refrigerant fluid inside the evaporator. Reducing the diameter of the capillary tube leads to a relevant cost reduction of this material.
  • FIG. 1 is a schematic lateral view of an internal peripheral wall of a cabinet associated with a refrigeration system provided with an evaporating means constructed according to the present invention.
  • the single figure of the enclosed drawing illustrates a lateral view of an internal peripheral wall P, in metallic sheet, of a parallelepipedic cabinet provided with a top cover (not illustrated).
  • an evaporating means 1 which in the illustrated example comprises two tube extensions 10 , each of them being seated around a respective height portion of the internal peripheral walls P.
  • each evaporator portion might be provided affixed around the internal peripheral walls P of the cabinet, each evaporator portion being defined by a respective tube extension 10 disposed in the same spiral development usually applied to this type of evaporating means which uses the internal peripheral walls P of the cabinet as heat exchange fins of the tube extensions, each evaporator portion being connected to an expanding device 2 of refrigerant fluid.
  • Each tube extension 10 presents a refrigerant fluid inlet end maintained in fluid communication with the outlet of a respective expanding device 2 , which in turn is connected to the outlet of a condenser 3 of the refrigeration system, and an outlet end of vaporized refrigerant fluid maintained in fluid communication with a compressor 4 of said refrigeration system.
  • the evaporating means is replaced by two or more tube-type evaporators, which are arranged in parallel, each covering a portion of the cabinet height, thereby allowing a faster and more homogeneous cooling of the thermal load which will be placed in the cabinet.
  • the parallel arrangement of the evaporators or tube extensions 10 allows the diameter of the capillary tube to be reduced, in order to define a cross-sectional area which is slightly smaller than a portion of the cross-sectional area of the prior art tube required to form the evaporating means with a single continuous tube extension, corresponding to the number of tube extensions 10 .

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

An improvement in a refrigeration system for cabinets provided with a top cover and with internal peripheral walls made of metallic sheet and around which is seated an evaporating means (1) connected to the outlet of an expanding device (2) which is connected to the outlet pf a condenser (3) and to the suction of a compressor (4) of the refrigeration system, said evaporating means (1) comprising at least two tube extensions (10), each of them being seated around a respective height portion of the internal peripheral walls (P) and having a refrigerant fluid inlet end maintained in fluid communication with a respective expanding device (2), and a refrigerant fluid outlet end maintained in fluid communication with the compressor (4).

Description

    FIELD OF THE INVENTION
  • The present invention refers to an improvement introduced in the refrigeration system of cabinets, such as those applied to horizontal freezers used for cooling or preserving beverages or other products and which comprise a cabinet provided with a top cover.
    • BACKGROUND OF THE INVENTION
  • There are well known from the art the refrigerated cabinets provided with a top cover and in which the internal peripheral walls are formed in metallic sheet to operate as a heat exchange enhancing element for an evaporator which is usually defined by a tube seated against the external face of said internal peripheral walls, in a downward spiral development along at least part of the cabinet height.
  • The upper end of the tube is connected to the expanding element of the refrigeration circuit, the lower end of said tube of the evaporator being maintained in fluid communication with the suction of the compressor that compresses the refrigerant fluid of the refrigeration system.
  • In the cabinets of the type considered herein, the refrigerant fluid which reaches the upper end of the evaporator, coming from the capillary tube, is evaporated as it flows down the tube, exchanging heat with the thermal load mainly defined by the product to be cooled and which is stored inside the cabinet.
  • Although adequately operating under normal conditions of re-supplying the thermal load to be refrigerated, the cabinet refrigeration systems arranged in the manner described above are deficient when the thermal load is replaced in a high frequency, which usually occurs when these cabinets are used as a beverage cooler or preserver.
  • When the refrigeration system of these cabinets is submitted to a high thermal load resulting from a severe loading, the evaporation rate of the refrigerant fluid therein becomes very high, making the liquid portion of the refrigerant fluid which reaches the evaporator to be rapidly evaporated in the upper part of the internal peripheral walls of the cabinet, practically stopping the refrigeration operation from the moment the whole refrigerant fluid is evaporated, passing to the vapor state.
  • As the thermal load is refrigerated from top to bottom, the lower region of the evaporator, which is useless in terms of heat exchange by the fact that it receives only the already vaporized refrigerant fluid, is progressively reduced, making the evaporator to be also progressively more efficient.
  • The operational deficiency discussed above, resulting from the reduction of the heat exchange useful extension of the evaporator, exactly in the moment of highest requirement (with the higher thermal loading of the cabinet) is undesired, since it results in a slower refrigeration rate of the product stored in the cabinet.
    • OBJECT OF THE INVENTION
  • It is an object of the present invention to provide an improvement in a refrigeration system for cabinets of the type discussed above, which increases the heat exchange useful extension of the evaporator under high thermal load conditions inside the cabinet, without requiring constructive alterations to be effected in the latter.
    • SUMMARY OF THE INVENTION
  • The improvement of the invention is introduced in a refrigeration system for a cabinet provided with a top cover and with internal peripheral walls, made of metallic sheet and around which is seated an evaporating means connected to the outlet of an expanding device (in its turn connected to a condenser) and to the suction of a compressor of the refrigeration system.
  • According to the invention, the evaporating means comprises at least two tube extensions, each of them being seated around a respective height portion of the internal peripheral walls, and having a refrigerant fluid inlet end maintained in fluid communication with a respective expanding device and a refrigerant fluid outlet end maintained in fluid communication with the compressor.
  • Besides reducing the time of refrigeration of a high thermal load, as a function of the reduction of the useless extensions of the evaporator, when operating under determined severe conditions the constructive arrangement described above allows reducing, diametrically, the tube extensions of the evaporator, without increasing the velocity of the refrigerant fluid inside the evaporator. Reducing the diameter of the capillary tube leads to a relevant cost reduction of this material.
    • BRIEF DESCRIPTION OF THE DRAWING
  • The invention will be described below, with reference to the enclosed drawing, in which:
  • FIG. 1 is a schematic lateral view of an internal peripheral wall of a cabinet associated with a refrigeration system provided with an evaporating means constructed according to the present invention.
    • DESCRIPTION OF THE PREFERRED EMBODIMENT
  • The single figure of the enclosed drawing illustrates a lateral view of an internal peripheral wall P, in metallic sheet, of a parallelepipedic cabinet provided with a top cover (not illustrated).
  • Around the internal peripheral walls P of the cabinet is seated and affixed an evaporating means 1, which in the illustrated example comprises two tube extensions 10, each of them being seated around a respective height portion of the internal peripheral walls P.
  • It should be understood that three or more evaporating portions might be provided affixed around the internal peripheral walls P of the cabinet, each evaporator portion being defined by a respective tube extension 10 disposed in the same spiral development usually applied to this type of evaporating means which uses the internal peripheral walls P of the cabinet as heat exchange fins of the tube extensions, each evaporator portion being connected to an expanding device 2 of refrigerant fluid.
  • Each tube extension 10 presents a refrigerant fluid inlet end maintained in fluid communication with the outlet of a respective expanding device 2, which in turn is connected to the outlet of a condenser 3 of the refrigeration system, and an outlet end of vaporized refrigerant fluid maintained in fluid communication with a compressor 4 of said refrigeration system.
  • With the arrangement described above, the evaporating means is replaced by two or more tube-type evaporators, which are arranged in parallel, each covering a portion of the cabinet height, thereby allowing a faster and more homogeneous cooling of the thermal load which will be placed in the cabinet.
  • The parallel arrangement of the evaporators or tube extensions 10 allows the diameter of the capillary tube to be reduced, in order to define a cross-sectional area which is slightly smaller than a portion of the cross-sectional area of the prior art tube required to form the evaporating means with a single continuous tube extension, corresponding to the number of tube extensions 10.

Claims (2)

1. An improvement in a refrigeration system for cabinets provided with a top cover and with internal peripheral walls (P), made in metallic sheet and around which is seated an evaporating means (1) connected to the outlet of an expanding device (2) which is connected to the outlet of a condenser (3) and to the suction of a compressor (4) of the refrigeration system, characterized in that the evaporating means (1) comprises at least two tube extensions (10), each of them being seated around a respective height portion of the internal peripheral walls (P) and having a refrigerant fluid inlet end maintained in fluid communication with a respective expanding device (2), and a refrigerant fluid outlet end maintained in fluid communication with the compressor (4).
2. The improvement as set forth in claim 1, characterized in that the tube extensions (10) are formed by a tube with a reduced diameter, in order to define a cross-sectional area which is slightly smaller than a portion of the cross-sectional area of the tube required to form the evaporating means with a single continuous tube extension, corresponding to the number of tube extensions (10).
US10/596,076 2003-11-28 2004-11-24 Refrigeration system for cabinets Abandoned US20070125120A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BR0306232-5A BR0306232A (en) 2003-11-28 2003-11-28 Improvement in cabinet cooling system
PCT/BR2004/000234 WO2005052469A1 (en) 2003-11-28 2004-11-24 Improvement in a refrigeration system for cabinets

Publications (1)

Publication Number Publication Date
US20070125120A1 true US20070125120A1 (en) 2007-06-07

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ID=36676181

Family Applications (1)

Application Number Title Priority Date Filing Date
US10/596,076 Abandoned US20070125120A1 (en) 2003-11-28 2004-11-24 Refrigeration system for cabinets

Country Status (4)

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US (1) US20070125120A1 (en)
EP (1) EP1692438A1 (en)
BR (1) BR0306232A (en)
WO (1) WO2005052469A1 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015120241A1 (en) * 2014-02-07 2015-08-13 Pdx Technologies Llc Refrigeration system with separate feedstreams to multiple evaporator zones
CN104913564A (en) * 2015-06-24 2015-09-16 合肥美的电冰箱有限公司 Refrigerating apparatus
US20150338138A1 (en) * 2012-06-29 2015-11-26 Conopco, Inc., D/B/A Unilever Display cabinets for frozen products
WO2017112758A1 (en) * 2015-12-21 2017-06-29 True Manufacturing Co., Inc. Ice machine with a dual-circuit evaporator for hydrocarbon refrigerant
US10365018B2 (en) 2010-12-30 2019-07-30 Pdx Technologies Llc Refrigeration system controlled by refrigerant quality within evaporator
US20210404944A1 (en) * 2020-06-26 2021-12-30 Binder Gmbh Evaporator and Climate Cabinet

Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2150699A (en) * 1932-11-23 1939-03-14 Nash Kelvinator Corp Refrigerating apparatus and method
US2728199A (en) * 1952-08-05 1955-12-27 Gen Electric Secondary system for fresh food door compartment
US2730868A (en) * 1951-10-12 1956-01-17 Nash Kelvinator Corp Multiple temperature refrigerating apparatus
US3094164A (en) * 1960-07-01 1963-06-18 Burton R Sherman Refrigerated chest
US3211505A (en) * 1963-03-18 1965-10-12 Studebaker Corp Equipment module for refrigeration cabinets
US3269787A (en) * 1963-10-15 1966-08-30 Studebaker Corp Refrigeration cabinet
US3541808A (en) * 1968-10-10 1970-11-24 Mink Dayton Inc Drinking fountain
US4369632A (en) * 1979-12-07 1983-01-25 Tyler Refrigeration Corporation Refrigerated merchandiser display case
US4369631A (en) * 1979-12-07 1983-01-25 Tyler Refrigeration Corporation Refrigerated merchandizer display case adapted for energy conservation
US5357767A (en) * 1993-05-07 1994-10-25 Hussmann Corporation Low temperature display merchandiser
US5517826A (en) * 1995-03-14 1996-05-21 Hussmann Corporation Refrigerated merchandiser with modular external frame structure
US5743098A (en) * 1995-03-14 1998-04-28 Hussmann Corporation Refrigerated merchandiser with modular evaporator coils and EEPR control
US5749238A (en) * 1994-08-27 1998-05-12 Schmidt; Frede Control arrangement for a cooling apparatus
US20020083727A1 (en) * 2000-12-04 2002-07-04 Yasuhide Koike Horizontal refrigerator
USRE40151E1 (en) * 1999-10-11 2008-03-18 Duke Manufacturing Company Merchandiser for warm and cold foods

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1394342A (en) * 1973-06-21 1975-05-14 Lec Refrigeration Ltd Refrigerated food storage cabinets
CA2004220A1 (en) * 1989-11-29 1991-05-29 Charles Gregory Apparatus for the sensing of refrigerant temperatures and the control of refrigerant loading
CA2080219A1 (en) * 1991-11-04 1993-05-05 Leroy John Herbst Household refrigerator with improved refrigeration circuit

Patent Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2150699A (en) * 1932-11-23 1939-03-14 Nash Kelvinator Corp Refrigerating apparatus and method
US2730868A (en) * 1951-10-12 1956-01-17 Nash Kelvinator Corp Multiple temperature refrigerating apparatus
US2728199A (en) * 1952-08-05 1955-12-27 Gen Electric Secondary system for fresh food door compartment
US3094164A (en) * 1960-07-01 1963-06-18 Burton R Sherman Refrigerated chest
US3211505A (en) * 1963-03-18 1965-10-12 Studebaker Corp Equipment module for refrigeration cabinets
US3269787A (en) * 1963-10-15 1966-08-30 Studebaker Corp Refrigeration cabinet
US3541808A (en) * 1968-10-10 1970-11-24 Mink Dayton Inc Drinking fountain
US4369631A (en) * 1979-12-07 1983-01-25 Tyler Refrigeration Corporation Refrigerated merchandizer display case adapted for energy conservation
US4369632A (en) * 1979-12-07 1983-01-25 Tyler Refrigeration Corporation Refrigerated merchandiser display case
US5357767A (en) * 1993-05-07 1994-10-25 Hussmann Corporation Low temperature display merchandiser
US5749238A (en) * 1994-08-27 1998-05-12 Schmidt; Frede Control arrangement for a cooling apparatus
US5517826A (en) * 1995-03-14 1996-05-21 Hussmann Corporation Refrigerated merchandiser with modular external frame structure
US5743098A (en) * 1995-03-14 1998-04-28 Hussmann Corporation Refrigerated merchandiser with modular evaporator coils and EEPR control
USRE37630E1 (en) * 1995-03-14 2002-04-09 Hussmann Corporation Refrigerated merchandiser with modular evaporator coils and EEPR control
USRE40151E1 (en) * 1999-10-11 2008-03-18 Duke Manufacturing Company Merchandiser for warm and cold foods
US20020083727A1 (en) * 2000-12-04 2002-07-04 Yasuhide Koike Horizontal refrigerator

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10365018B2 (en) 2010-12-30 2019-07-30 Pdx Technologies Llc Refrigeration system controlled by refrigerant quality within evaporator
US20150338138A1 (en) * 2012-06-29 2015-11-26 Conopco, Inc., D/B/A Unilever Display cabinets for frozen products
US9739511B2 (en) * 2012-06-29 2017-08-22 Conopco, Inc. Display cabinets for frozen products
US11306951B2 (en) 2014-02-07 2022-04-19 Pdx Technologies Llc Refrigeration system with separate feedstreams to multiple evaporator zones
WO2015120241A1 (en) * 2014-02-07 2015-08-13 Pdx Technologies Llc Refrigeration system with separate feedstreams to multiple evaporator zones
US9791188B2 (en) 2014-02-07 2017-10-17 Pdx Technologies Llc Refrigeration system with separate feedstreams to multiple evaporator zones
CN104913564A (en) * 2015-06-24 2015-09-16 合肥美的电冰箱有限公司 Refrigerating apparatus
WO2017112758A1 (en) * 2015-12-21 2017-06-29 True Manufacturing Co., Inc. Ice machine with a dual-circuit evaporator for hydrocarbon refrigerant
US10677505B2 (en) 2015-12-21 2020-06-09 True Manufacturing Co., Inc. Ice machine with a dual-circuit evaporator for hydrocarbon refrigerant
US11231218B2 (en) 2015-12-21 2022-01-25 True Manufacturing Company, Inc. Ice machine with a dual-circuit evaporator for hydrocarbon refrigerant
US10502472B2 (en) 2015-12-21 2019-12-10 True Manufacturing Co., Inc. Ice machine with a dual-circuit evaporator for hydrocarbon refrigerant
US11846459B2 (en) 2015-12-21 2023-12-19 True Manufacturing Co., Inc. Ice machine with a dual-circuit evaporator for hydrocarbon refrigerant
US20210404944A1 (en) * 2020-06-26 2021-12-30 Binder Gmbh Evaporator and Climate Cabinet

Also Published As

Publication number Publication date
EP1692438A1 (en) 2006-08-23
BR0306232A (en) 2005-07-19
WO2005052469A1 (en) 2005-06-09

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Legal Events

Date Code Title Description
AS Assignment

Owner name: MULTIBRAS S.A. ELETRODOMESTICOS, BRAZIL

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:MARQUES, MARCO EDUARDO;REEL/FRAME:018182/0047

Effective date: 20060529

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION