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公开(公告)号：CA2828469C
公开(公告)日：2017-07-04
申请号：CA2828469
申请日：2012-03-02
Applicant: GBD CORP
Inventor： CONRAD WAYNE ERNEST
Abstract: A surface cleaning apparatus comprises an air flow passage extending from a dirty air inlet to a clean air outlet and a suction motor. The surface cleaning apparatus may also comprise a cyclone chamber provided in the air flow passage. The cyclone chamber may comprise a cyclone air inlet, a cyclone air outlet and a dirt outlet. The surface cleaning apparatus may comprise a dirt collection chamber having a dirt inlet, a dirt collection chamber first end, an opposed dirt collection chamber second end and a longitudinally extending sidewall. Various design improvements are provided.
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公开(公告)号：CA2846921C
公开(公告)日：2017-04-25
申请号：CA2846921
申请日：2014-03-18
Applicant: GBD CORP
Inventor： CONRAD WAYNE ERNEST
Abstract: An expansion compensator having a longitudinal axis, and having an elongate metal conduit with first and second spaced apart ends and an expansion/contraction section, an inner plastic liner positioned interior of the elongate metal conduit and having an expansion/contraction section and an interior volume extending from the first end to the second end, wherein each of the elongate metal conduit and the inner plastic liner have a stiffness along the longitudinal axis, and the stiffness of the elongate metal conduit is greater than the stiffness of the inner plastic liner.
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公开(公告)号：CA2847536C
公开(公告)日：2016-11-08
申请号：CA2847536
申请日：2014-03-25
Applicant: GBD CORP
Inventor： CONRAD WAYNE ERNEST
IPC: B29C49/04
Abstract: Methods for producing an expansion compensator by: extruding an inner plastic liner having first and second spaced apart ends, an inner surface, an outer surface, and an interior volume extending from the first end to the second end; positioning the inner plastic liner interior of an elongate metal conduit while the inner plastic liner is at an elevated temperature, the elongate metal conduit having first and second spaced apart ends, an inner surface, an outer surface, and an expansion/contraction section; sealing the open ends of the inner plastic liner; introducing a pressurized fluid to the interior volume of the inner plastic liner to expand the inner plastic liner whereby the expanded inner plastic liner has an expansion/contraction section; and cooling the inner plastic liner.
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公开(公告)号：CA2674761C
公开(公告)日：2016-10-04
申请号：CA2674761
申请日：2009-07-30
Applicant: GBD CORP
Inventor： CONRAD WAYNE ERNEST
Abstract: A surface cleaning apparatus may comprise a floor cleaning unit comprising a surface cleaning head. The surface cleaning apparatus may also comprise an upright section comprising a handle drivingly connected to the surface cleaning head, a cleaning unit removably mounted to the handle and an air flow path extending having a flexible air flow conduit that forms at least part of an air flow path from the surface cleaning head to the cleaning unit. The surface cleaning apparatus may have at least two operating modes comprising; a first upright operating mode wherein the surface cleaning apparatus may be operable with the cleaning unit mounted to the handle, a second operating mode wherein the cleaning unit may be carried by a user and may be operable when removed from the handle in the absence of reconfiguring the flexible air flow conduit.
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公开(公告)号：CA2658372C
公开(公告)日：2016-09-27
申请号：CA2658372
申请日：2009-03-13
Applicant: GBD CORP
Inventor： CONRAD WAYNE ERNEST
Abstract: A surface cleaning apparatus comprises a cyclone having an open end dirt outlet and a plate facing the open end, the height of a gap between the plate the open end is not constant.
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Patent Agency Ranking
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公开(公告)号：CA2857811A1
公开(公告)日：2015-12-26
申请号：CA2857811
申请日：2014-07-25
Applicant: GBD CORP
Inventor： CONRAD WAYNE ERNEST
Abstract: Methods and apparatus for installing an expansion compensator having a longitudinal axis, and comprising first and second spaced apart ends, an expansion/contraction section located between the first and second spaced apart ends, a first connector provided at the first end, a second connector provided at the second end, and an installation guard operable to inhibit axial compression of the expansion/contraction section during installation. The expansion compensator may be installed by coupling the expansion compensator to a piping system, and after the expansion compensator has been coupled to the piping system, adjusting the installation guard to permit axial compression of the expansion/contraction section during operation of the piping system. The expansion compensator or a portion thereof such as the expansion compression section may have a first coefficient of thermal expansion along the longitudinal axis and a thermal compression guard, which may be the installation guard, may have a second, lower coefficient of thermal expansion along the longitudinal axis and the thermal compression guard may be operable to inhibit axial compression of the expansion/contraction section due to thermal contraction of the expansion compensator.
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公开(公告)号：CA2731776C
公开(公告)日：2015-12-22
申请号：CA2731776
申请日：2008-08-28
Applicant: GBD CORP
Inventor： CONRAD WAYNE ERNEST
Abstract: (a) A surface cleaning apparatus comprises a filtration apparatus comprising a cyclone and an openable dirt collec-tion chamber in communication with the cyclone dirt outlet. The dirt collection chamber has an openable end portion that comprises a wall that is intersected by the longitudinally extending axis, and when the end portion is in an open position, the cyclone chamber has an absence of any member having a larger diameter than the vortex finder whereby the dirt collection chamber and the cyclone are concurrently emptyable when the dirt collection chamber is opened.
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公开(公告)号：CA2846801A1
公开(公告)日：2015-09-17
申请号：CA2846801
申请日：2014-03-17
Applicant: GBD CORP
Inventor： CONRAD WAYNE ERNEST
Abstract: An expansion compensator having an elongate metal conduit with first and second spaced apart ends and an expansion/contraction section, an inner plastic liner positioned interior of the elongate metal conduit and having an expansion/contraction section and an interior volume extending from the first end to the second end, and first and second connectors provided at the first and second ends, respectively, of the elongate metal conduit and the inner plastic liner, each connector having a first portion secured to the outer surface of the elongate metal conduit, a second portion secured to the inner surface of the inner plastic liner, and an opening in fluid communication with the interior volume of the inner plastic liner.
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公开(公告)号：CA2755307C
公开(公告)日：2014-07-15
申请号：CA2755307
申请日：2010-03-12
Applicant: GBD CORP
Inventor： CONRAD WAYNE E
Abstract: A surface cleaning apparatus comprises a floor cleaning unit having a surface cleaning head, an upright section having a handle, a cleaning unit removably mounted to the handle and an air flow conduit forming part of an air flow path from the surface cleaning head to the cleaning unit, wherein the flexible air flow conduit comprises a portable portion removably mounted to the surface cleaning apparatus and a rigid extension wand. Reconfiguring the surface cleaning apparatus components permits the use of the surface cleaning apparatus in various operating modes such as a first upright operating mode wherein the surface cleaning apparatus is operable with the cleaning unit mounted to the handle, and a second operating mode wherein the cleaning unit is carried by a user and is operable when removed from the handle.
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