Patent · US9562634B2 · B2 · US

Pipe retainer

(11) Publication number

US9562634B2

(21) Application number

14/465,938

(22) Filing date

2014-08-22

(30) Priority date

2014-08-22

(43) Publication date

2017-02-07

(45) Date of grant

2017-02-07

(51) IPC

B60H 1/04; F16L 19/04; F16L 21/08; F16L 3/04; B60H 1/00; F01P 11/04; F16L 37/12; F16L 37/56; F16L 39/00; F28F 9/02

(52) CPC

F16L Pipes; joints or fittings for pipes; supports for pipes, cables or protective tubing; means for thermal insulation in general: 19/04, 21/08, 3/04, 3/237, 37/1225, 37/56, 39/00
B60H Arrangements of heating, cooling, ventilating or other air-treating devices specially adapted for passenger or goods spaces of vehicles: 1/00571, 1/04
F01P Cooling of machines or engines in general; cooling of internal-combustion engines: 11/04
F28F Details of heat-exchange and heat-transfer apparatus, of general application: 2275/08, 9/0248, 9/0258

(73) Assignee

Mahle International GmbH

(72) Inventors

Garrett W. Hoehn

(54) Title

Pipe retainer

(57) Abstract

A pipe for simultaneously retaining a first pipe to a first port and a second pipe to a second port includes a first yoke for receiving the first pipe and the first port to retain the first pipe to the first port; a second yoke for receiving the second pipe and the second port to retain the second pipe to the second port; and a hinge joining the first yoke to the second yoke such that the hinge allows the first yoke to pivot relative to the second yoke about a hinge axis between 1) a disassembled position which allows removal of the pipe retainer from the first pipe, the first port, the second pipe, and the second port and 2) an assembled position which prevents removal of the pipe retainer from the first pipe, the first port, the second pipe, and the second port.

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Claims (14)

A pipe retainer for simultaneously retaining a first pipe to a first port and a second pipe to a second port that is a fixed distance from said first port, said pipe retainer comprising: a first yoke for receiving said first pipe and said first port to retain said first pipe to said first port; a second yoke for receiving said second pipe and said second port to retain said second pipe to said second port; and a hinge joining said first yoke to said second yoke such that said hinge allows said first yoke to pivot relative to said second yoke about a hinge axis between 1) a disassembled position which allows removal of said pipe retainer from said first pipe, said first port, said second pipe, and said second port and 2) an assembled position which prevents removal of said pipe retainer from said first pipe, said first port, said second pipe, and said second port; a hinge lock which selectively prevents said hinge from allowing said first yoke to pivot relative to said second yoke in said assembled position, wherein the hinge lock includes a lock tab on said first yoke, said lock tab including a clearance hole therethrough; a lock boss on said second yoke, said lock boss including a fastener hole therein that is coaxial with said clearance hole when said pipe retainer is in said assembled position; and a removable fastener for selectively securing said lock tab to said lock boss in said assembled position, said fastener being a threaded fastener which passes through said clearance hole and threadably engages said fastener hole to clamp said lock tab to said lock boss when said pipe retainer is in said assembled position, wherein said first and second yokes are substantially semicircular and, in the assembled position, said first and second yokes are diametrically opposed.
The pipe retainer as in claim 1, wherein said second yoke includes an assembled travel stop which abuts said first yoke when said pipe retainer is in said assembled position in order to prevent deflection of said first yoke relative to said second yoke.
The pipe retainer as in claim 1, wherein: said first port is centered about a first port axis; said second port is centered about a second port axis; and said hinge axis is substantially parallel to said first port axis and said second port axis when said pipe retainer retains said first pipe to said first port and said second pipe to said second port.
The pipe retainer as in claim 1, wherein said first yoke does not completely surround said first pipe and said first port in said assembled position and said second yoke does not completely surround said second pipe and said second port in said assembled position.
The pipe retainer as in claim 1, wherein: said first yoke is centered about a first yoke axis that is parallel to said hinge axis; said second yoke is centered about a second yoke axis that is parallel to said hinge axis; and the distance separating said first yoke axis from said second yoke axis is less in said disassembled position than in said assembled position.
The pipe retainer as in claim 5, wherein said hinge axis is laterally offset from an assembled centerline that connects said first yoke axis to said second yoke axis when said pipe retainer is in said assembled position.
The pipe retainer as in claim 5, wherein: said first yoke includes a first yoke opening for receiving said first pipe and said first port therein; and said second yoke includes a second yoke opening for receiving said second pipe and said second port therein.
The pipe retainer as in claim 7, wherein: said first yoke opening comprises a first yoke semicircular portion that is centered about said first yoke axis; and said second yoke opening comprises a second yoke semicircular portion that is centered about said second yoke axis.
The pipe retainer as in claim 8, wherein: said first yoke further comprises a first yoke first straight portion extending tangentially from said first yoke semicircular portion and a first yoke second straight portion extending tangentially from said first yoke semicircular portion and parallel to said first yoke first straight portion such that a first yoke opening gap is defined between said first yoke first straight portion and said first yoke second straight portion which allows said first pipe and said first port to laterally enter said first yoke opening; and said second yoke further comprises a second yoke first straight portion extending tangentially from said second yoke semicircular portion and a second yoke second straight portion extending tangentially from said second yoke semicircular portion and parallel to said second yoke first straight portion such that a second yoke opening gap is defined between said second yoke first straight portion and said second yoke second straight portion which allows said second pipe and said second port to laterally enter said second yoke opening.
The pipe retainer as in claim 9, wherein: said first yoke second straight portion is longer than said first yoke first straight portion; and said second yoke second straight portion is longer than said second yoke first straight portion.
The pipe retainer as in claim 7, wherein: said first yoke defines a first yoke groove for receiving a first port flange which extends radially outward from said first port; and said second yoke defines a second yoke groove for receiving a second port flange which extends radially outward from said second port.
The pipe retainer as in claim 11, wherein: said first yoke groove is defined in part by a first yoke groove upper surface which lies in a first plane that is perpendicular to said first yoke axis such that a first pipe bead which extends radially outward from said first pipe is captured axially between said first port and said first yoke groove upper surface; and said second yoke groove is defined in part by a second yoke groove upper surface which lies in a second plane that is perpendicular to said second yoke axis such that a second pipe bead which extends radially outward from said second pipe is captured axially between said second port and said second yoke groove upper surface.
The pipe retainer as in claim 1, wherein said hinge is a living hinge.
The pipe retainer as in claim 1, wherein: said first yoke includes a first yoke disassembled travel stop; said second yoke includes a second yoke disassembled travel stop; and said first yoke disassembled travel stop abuts said second yoke disassembled travel stop to prevent further pivoting of said first yoke relative to said second yoke in a direction that is away from said assembled position when said pipe retainer is in said disassembled position, a lock boss on said second yoke, said lock boss including a fastener hole therein that is coaxial with said clearance hole when said pipe retainer is in said assembled position; and a removable fastener for selectively securing said lock tab to said lock boss in said assembled position, said fastener being a threaded fastener which passes through said clearance hole and threadably engages said fastener hole to clamp said lock tab to said lock boss when said pipe retainer is in said assembled position, wherein said first and second yokes are substantially semicircular and, in the assembled position, said first and second yokes are diametrically opposed.

Description

The present invention relates to a pipe retainer for simultaneously retaining a first pipe to a first port and a second pipe to a second port; more particularly to such a pipe retainer which includes a first yoke for retaining the first pipe to the first port and a second yoke for retaining the second pipe to the second port; and still even more particularly to such a pipe retainer which includes a hinge joining the first yoke to the second yoke such that the hinge allows the first yoke to pivot relative to the second yoke about a hinge axis between a disassembled position and an assembled position.

Devices, for example heater cores of motor vehicles which extract heat from coolant used to cool an internal combustion engine of the motor vehicle, are known to have a first port connected to a first pipe and a second port connected to a second pipe. In the example of a heater core, the first pipe may supply relatively hot coolant to the heater core through the first port while the coolant is returned to the internal combustion engine at a lower temperature through the second port and the second pipe. An O-ring may be used to prevent the coolant from escaping through the connections formed between each of the pipes and their respective ports. In order to retain the first pipe to the first port, it is known to use a collar to engage features of the first pipe and the first port, thereby preventing the first pipe from separating from the first port.

Citations (20)

US534345A
US3421187A
US3537150A
US3568264A
US4089087A
DE3047867A1
US5170841A
US5180006A
US5556137A
EP0781952A1
FR2808586A1
US20020117850A1
US7604258B2
US20060185167A1
EP1821058A1
US20080106095A1
US20080129043A1
US20080264605A1
EP2065628A2
DE102011013954A1

Record as JSON

{
  "publication_number": "US9562634B2",
  "country": "US",
  "kind": "B2",
  "title": "Pipe retainer",
  "abstract": "A pipe for simultaneously retaining a first pipe to a first port and a second pipe to a second port includes a first yoke for receiving the first pipe and the first port to retain the first pipe to the first port; a second yoke for receiving the second pipe and the second port to retain the second pipe to the second port; and a hinge joining the first yoke to the second yoke such that the hinge allows the first yoke to pivot relative to the second yoke about a hinge axis between 1) a disassembled position which allows removal of the pipe retainer from the first pipe, the first port, the second pipe, and the second port and 2) an assembled position which prevents removal of the pipe retainer from the first pipe, the first port, the second pipe, and the second port.",
  "claims": [
    "1. A pipe retainer for simultaneously retaining a first pipe to a first port and a second pipe to a second port that is a fixed distance from said first port, said pipe retainer comprising: a first yoke for receiving said first pipe and said first port to retain said first pipe to said first port; a second yoke for receiving said second pipe and said second port to retain said second pipe to said second port; and a hinge joining said first yoke to said second yoke such that said hinge allows said first yoke to pivot relative to said second yoke about a hinge axis between 1) a disassembled position which allows removal of said pipe retainer from said first pipe, said first port, said second pipe, and said second port and 2) an assembled position which prevents removal of said pipe retainer from said first pipe, said first port, said second pipe, and said second port; a hinge lock which selectively prevents said hinge from allowing said first yoke to pivot relative to said second yoke in said assembled position, wherein the hinge lock includes a lock tab on said first yoke, said lock tab including a clearance hole therethrough; a lock boss on said second yoke, said lock boss including a fastener hole therein that is coaxial with said clearance hole when said pipe retainer is in said assembled position; and a removable fastener for selectively securing said lock tab to said lock boss in said assembled position, said fastener being a threaded fastener which passes through said clearance hole and threadably engages said fastener hole to clamp said lock tab to said lock boss when said pipe retainer is in said assembled position, wherein said first and second yokes are substantially semicircular and, in the assembled position, said first and second yokes are diametrically opposed.",
    "2. The pipe retainer as in claim 1, wherein said second yoke includes an assembled travel stop which abuts said first yoke when said pipe retainer is in said assembled position in order to prevent deflection of said first yoke relative to said second yoke.",
    "3. The pipe retainer as in claim 1, wherein: said first port is centered about a first port axis; said second port is centered about a second port axis; and said hinge axis is substantially parallel to said first port axis and said second port axis when said pipe retainer retains said first pipe to said first port and said second pipe to said second port.",
    "4. The pipe retainer as in claim 1, wherein said first yoke does not completely surround said first pipe and said first port in said assembled position and said second yoke does not completely surround said second pipe and said second port in said assembled position.",
    "5. The pipe retainer as in claim 1, wherein: said first yoke is centered about a first yoke axis that is parallel to said hinge axis; said second yoke is centered about a second yoke axis that is parallel to said hinge axis; and the distance separating said first yoke axis from said second yoke axis is less in said disassembled position than in said assembled position.",
    "6. The pipe retainer as in claim 5, wherein said hinge axis is laterally offset from an assembled centerline that connects said first yoke axis to said second yoke axis when said pipe retainer is in said assembled position.",
    "7. The pipe retainer as in claim 5, wherein: said first yoke includes a first yoke opening for receiving said first pipe and said first port therein; and said second yoke includes a second yoke opening for receiving said second pipe and said second port therein.",
    "8. The pipe retainer as in claim 7, wherein: said first yoke opening comprises a first yoke semicircular portion that is centered about said first yoke axis; and said second yoke opening comprises a second yoke semicircular portion that is centered about said second yoke axis.",
    "9. The pipe retainer as in claim 8, wherein: said first yoke further comprises a first yoke first straight portion extending tangentially from said first yoke semicircular portion and a first yoke second straight portion extending tangentially from said first yoke semicircular portion and parallel to said first yoke first straight portion such that a first yoke opening gap is defined between said first yoke first straight portion and said first yoke second straight portion which allows said first pipe and said first port to laterally enter said first yoke opening; and said second yoke further comprises a second yoke first straight portion extending tangentially from said second yoke semicircular portion and a second yoke second straight portion extending tangentially from said second yoke semicircular portion and parallel to said second yoke first straight portion such that a second yoke opening gap is defined between said second yoke first straight portion and said second yoke second straight portion which allows said second pipe and said second port to laterally enter said second yoke opening.",
    "10. The pipe retainer as in claim 9, wherein: said first yoke second straight portion is longer than said first yoke first straight portion; and said second yoke second straight portion is longer than said second yoke first straight portion.",
    "11. The pipe retainer as in claim 7, wherein: said first yoke defines a first yoke groove for receiving a first port flange which extends radially outward from said first port; and said second yoke defines a second yoke groove for receiving a second port flange which extends radially outward from said second port.",
    "12. The pipe retainer as in claim 11, wherein: said first yoke groove is defined in part by a first yoke groove upper surface which lies in a first plane that is perpendicular to said first yoke axis such that a first pipe bead which extends radially outward from said first pipe is captured axially between said first port and said first yoke groove upper surface; and said second yoke groove is defined in part by a second yoke groove upper surface which lies in a second plane that is perpendicular to said second yoke axis such that a second pipe bead which extends radially outward from said second pipe is captured axially between said second port and said second yoke groove upper surface.",
    "13. The pipe retainer as in claim 1, wherein said hinge is a living hinge.",
    "14. The pipe retainer as in claim 1, wherein: said first yoke includes a first yoke disassembled travel stop; said second yoke includes a second yoke disassembled travel stop; and said first yoke disassembled travel stop abuts said second yoke disassembled travel stop to prevent further pivoting of said first yoke relative to said second yoke in a direction that is away from said assembled position when said pipe retainer is in said disassembled position, a lock boss on said second yoke, said lock boss including a fastener hole therein that is coaxial with said clearance hole when said pipe retainer is in said assembled position; and a removable fastener for selectively securing said lock tab to said lock boss in said assembled position, said fastener being a threaded fastener which passes through said clearance hole and threadably engages said fastener hole to clamp said lock tab to said lock boss when said pipe retainer is in said assembled position, wherein said first and second yokes are substantially semicircular and, in the assembled position, said first and second yokes are diametrically opposed."
  ],
  "description_excerpt": "The present invention relates to a pipe retainer for simultaneously retaining a first pipe to a first port and a second pipe to a second port; more particularly to such a pipe retainer which includes a first yoke for retaining the first pipe to the first port and a second yoke for retaining the second pipe to the second port; and still even more particularly to such a pipe retainer which includes a hinge joining the first yoke to the second yoke such that the hinge allows the first yoke to pivot relative to the second yoke about a hinge axis between a disassembled position and an assembled position.\n\nDevices, for example heater cores of motor vehicles which extract heat from coolant used to cool an internal combustion engine of the motor vehicle, are known to have a first port connected to a first pipe and a second port connected to a second pipe. In the example of a heater core, the first pipe may supply relatively hot coolant to the heater core through the first port while the coolant is returned to the internal combustion engine at a lower temperature through the second port and the second pipe. An O-ring may be used to prevent the coolant from escaping through the connections formed between each of the pipes and their respective ports. In order to retain the first pipe to the first port, it is known to use a collar to engage features of the first pipe and the first port, thereby preventing the first pipe from separating from the first port.",
  "cpc": [
    "F16L 19/04",
    "B60H 1/00571",
    "B60H 1/04",
    "F01P 11/04",
    "F16L 21/08",
    "F16L 3/04",
    "F16L 3/237",
    "F16L 37/1225",
    "F16L 37/56",
    "F16L 39/00",
    "F28F 2275/08",
    "F28F 9/0248",
    "F28F 9/0258"
  ],
  "ipc": [
    "B60H 1/04",
    "F16L 19/04",
    "F16L 21/08",
    "F16L 3/04",
    "B60H 1/00",
    "F01P 11/04",
    "F16L 37/12",
    "F16L 37/56",
    "F16L 39/00",
    "F28F 9/02"
  ],
  "assignees": [
    "Mahle International GmbH"
  ],
  "inventors": [
    "Garrett W. Hoehn"
  ],
  "filing_date": "2014-08-22",
  "publication_date": "2017-02-07",
  "grant_date": "2017-02-07",
  "priority_date": "2014-08-22",
  "application_number": "US-201414465938-A",
  "family_id": "53871911",
  "cited_by_count": 3,
  "citations": [
    "US534345A",
    "US3421187A",
    "US3537150A",
    "US3568264A",
    "US4089087A",
    "DE3047867A1",
    "US5170841A",
    "US5180006A",
    "US5556137A",
    "EP0781952A1",
    "FR2808586A1",
    "US20020117850A1",
    "US7604258B2",
    "US20060185167A1",
    "EP1821058A1",
    "US20080106095A1",
    "US20080129043A1",
    "US20080264605A1",
    "EP2065628A2",
    "DE102011013954A1"
  ]
}

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