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公开(公告)号：US20240167402A1
公开(公告)日：2024-05-23
申请号：US18516153
申请日：2023-11-21
发明人： Coy Hudnall , Kevin Tracy
CPC分类号： F01M11/0004 , F01M1/02 , F04C2/10 , F04C15/0057 , F01M2001/0269 , F01M2001/0284 , F01M2011/0062
摘要： Present embodiments relate to an engine oiling system. More specifically, but without limitation, present embodiments relate to an engine oiling system which provides a lower profile for the engine within the engine compartment.
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公开(公告)号：US11982270B2
公开(公告)日：2024-05-14
申请号：US18298361
申请日：2023-04-10
申请人： MIKUNI CORPORATION
发明人： Yasuhiro Ino
CPC分类号： F04C11/001 , F04C2/102 , F04C15/0057 , F04C15/06 , F04C2/084 , F04C2240/30 , F04C2240/805 , F05C2201/0439 , F05C2201/0448 , F05C2201/903
摘要： The pump device includes a housing defining insertion holes for a rotation shaft, inlets and outlets, and an internal passage; a first pump element; and a second pump element. The internal passage includes first suction passages communicating from the inlet to a first suction port facing the first end surface of the first pump element directed to one end side; first discharge passages communicating from a first discharge port facing the first end surface to the outlet; second suction passages passing around the first pump element to communicate from the inlet to a second suction port facing the second end surface of the second pump element; and second discharge passages passing around the first pump element to communicate from a second discharge port facing the second end surface to the outlet.
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公开(公告)号：US11686311B1
公开(公告)日：2023-06-27
申请号：US17834858
申请日：2022-06-07
发明人： Vannie Lu , George Galica , Aileen Cheang
CPC分类号： F04C29/0057 , F04C15/0057 , F04C15/0061 , F04C15/0073 , F04C18/0215 , F04C29/04 , F04C29/045 , F04C2240/40 , F04C2240/60 , F04C2240/807
摘要： A fluid pump includes a pump head and a motor coupled by a drive shaft. The pump head includes a pump inlet, a pump outlet, and a pumping stage in which a movable pump element is driven by the drive shaft. The motor includes a motor rotor and a motor stator. A connector couples the motor rotor and the drive shaft. The connector includes a plate rotatable with the drive shaft, fan blades attached to the plate for establishing a flow of air for cooling the motor, and one or more counterweights attached to the plate for reducing or eliminating imbalance created by certain forces generated by the pump during operation.
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公开(公告)号：US20180245586A1
公开(公告)日：2018-08-30
申请号：US15530769
申请日：2017-02-27
申请人： Joe Dick Rector
CPC分类号： F04C2/126 , F04C2/084 , F04C15/0057 , F04C2240/30
摘要： A rotary, self-priming, positive displacement pump is described. The pump may include a pump housing having a fluid inlet and outlet, first and second rotary impellers having vanes, an input shaft and drive gears synchronizing the impellers to avoid clash, and a dividing wall separating a pumping chamber from a chamber containing the drive gears. The dividing wall separates the pumping chamber from the gear chamber, partially supports impeller shafts, and is formed in a plurality of abutting manually separable sections. When manually pulled apart, the separable sections free the impeller shafts for manual removal, to facilitate manual service to the pump.
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公开(公告)号：US09903365B2
公开(公告)日：2018-02-27
申请号：US14897309
申请日：2014-07-24
发明人： Atsuo Isoda , Fumihiko Toyoda
CPC分类号： F04C2/10 , F04C2/102 , F04C15/0057 , F04C15/0076 , F04C18/10 , F04C29/0042 , F04C2240/60
摘要： Provided is a fluid-pump inner rotor that can be easily fitted to an outer rotor. This fluid-pump inner rotor includes a rotor member having a through hole along a rotational axis and a shaft member fitted in the through hole. Fitting strength between a first hole region provided in an inner face of the through hole of the rotor member which region extends along a rotational axis of the rotor member from one of end faces thereof perpendicular to this rotational axis and a first shaft region provided in an outer face of the shaft member is set greater than fitting strength between a second hole region provided in the inner face of the through hole of the rotor member and a second shaft region provided in the outer face of the shaft member.
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6.发明申请公开(公告)号：US20170254327A1
公开(公告)日：2017-09-07
申请号：US15512004
申请日：2015-08-04
发明人： Johann Kreidl , Walter Reisinger
CPC分类号： F04C2/1075 , F04C2/08 , F04C2/1071 , F04C15/0057 , F04C15/0065 , F04C2230/60 , F04C2240/102 , F04C2240/30
摘要： A stator for an eccentric screw pump with an internal hollow space with a helically coiled inner contour for accommodating a rotor. The stator includes a stator core arranged in a stator casing, which stator core includes at least two radially separable core parts. According to the invention, the at least two radially separable core parts are each made from a metallic material or a technical ceramic material. The stator casing is a stator tube and is made of a metallic material. The stator casing is shrink-fitted onto the stator core. The invention also relates to an eccentric screw pump and a method for producing a stator.
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公开(公告)号：US09714656B2
公开(公告)日：2017-07-25
申请号：US14418361
申请日：2013-07-30
发明人： Yasuhiro Murakami
CPC分类号： F04C2/025 , F04C15/0057 , F04C18/0215 , F04C29/0085 , F04C2240/807
摘要： A rotary machine includes a rotor, a rotating shaft fixed to the rotor, and a balance weight fixed to the rotor. The balance weight has a balance part fixed to the rotor and not contacting the shaft, a locking part, a shaft abutting part, and a coupling part coupling the balance part and the shaft-abutting part, The locking part is disposed on a side of the shaft opposite from the balance part. The locking part is locked with the shaft to limit movement of the balance part along a direction of centrifugal force. The shaft-abutting part is positioned between the shaft and the balance part, is coupled with the locking part, and contacts the shaft. A length of the locking part along a rotor radial direction is shorter than a rotor radial distance between the shaft and the balance part. The shaft-abutting part is radially shorter than the locking part.
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公开(公告)号：US09488174B2
公开(公告)日：2016-11-08
申请号：US14298543
申请日：2014-06-06
发明人： Brandon T. Kovach , Steven A. Heitz
CPC分类号： F04C2/165 , F04C2/18 , F04C15/0026 , F04C15/0042 , F04C15/0057 , F04C2240/54
摘要： One embodiment includes a gear pump with a driven gear, a gear shaft passing through the driven gear, and a stationary journal bearing. Also included is a fluid film, between a surface of the stationary journal bearing and a surface of the gear shaft, and a hybrid pad on the stationary journal bearing. The hybrid pad has a minimum leading edge angular location on the stationary journal bearing of 41.5° and a maximum trailing edge angular location on the stationary journal bearing of 54.5°. The gear pump also includes a porting path for supplying high pressure fluid from a discharge of the gear pump to the fluid film at the hybrid pad.
摘要翻译： 一个实施例包括具有从动齿轮的齿轮泵，穿过从动齿轮的齿轮轴和固定轴颈轴承。 还包括在静止轴颈轴承的表面和齿轮轴的表面之间的流体膜，以及固定轴颈轴承上的混合垫。 混合式垫片在静止轴颈轴承上的最小前缘角位置为41.5°，固定轴颈轴承的最大后缘角位置为54.5°。 齿轮泵还包括用于将高压流体从齿轮泵的排出口供给到混合垫片处的流体膜的输送路径。
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公开(公告)号：US09377021B1
公开(公告)日：2016-06-28
申请号：US14626175
申请日：2015-02-19
申请人： Harry Soderstrom
发明人： Harry Soderstrom
CPC分类号： F04C15/0057 , F01C17/02 , F01C21/08 , F04C2/082 , F04C2/084 , F04C2/123 , F04C15/0007 , F04C15/0076 , F04C15/06 , F04C2230/70 , F04C2240/20 , F04C2240/51 , F04C2240/801
摘要： An improved positive displacement pump provides improved wear characteristics. Specifically, rotor pads are provided on faces relative to an internal portion of the rotor housing as it relates to an end wall and a rear side of a cover plate. The rotor pads preferably have at least one of anti-galling and/or anti-friction or anti-wear characteristics thereby providing improvements over the prior art. A central member is preferably provided so that pad replacement may be relatively easily performed in the field in clean in place operations.
摘要翻译： 改进的容积式泵提供改善的磨损特性。 具体而言，转子垫相对于转子壳体的内部设置在与盖板的端壁和后侧相关的面上。 转子垫优选地具有防磨损和/或抗摩擦或抗磨损特性中的至少一个，从而相对于现有技术提供了改进。 优选地设置中心构件，使得垫片更换可以在现场操作中在现场相对容易地进行。
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公开(公告)号：US20150354560A1
公开(公告)日：2015-12-10
申请号：US14298434
申请日：2014-06-06
发明人： Brandon T. Kovach , Steven A. Heitz
CPC分类号： F04C2/084 , F04C2/18 , F04C15/0042 , F04C15/0057 , F04C15/06 , F04C2240/54
摘要： One embodiment includes a gear pump with a drive gear, a gear shaft passing through the drive gear, and a pressure loaded journal bearing. Also included is a fluid film, between a surface of the pressure loaded journal bearing and a surface of the gear shaft, and a hybrid pad on the pressure loaded journal bearing. The hybrid pad has a minimum leading edge angular location on the pressure loaded journal bearing of 29.5° and a maximum trailing edge angular location on the pressure loaded journal bearing of 42.5°. The gear pump also includes a porting path for supplying high pressure fluid from a discharge of the gear pump to the fluid film at the hybrid pad.
摘要翻译： 一个实施例包括具有驱动齿轮的齿轮泵，穿过驱动齿轮的齿轮轴和加压轴颈轴承。 还包括流体膜，在加压轴颈轴承的表面和齿轮轴的表面之间，以及在加压轴颈轴承上的混合垫。 混合垫片在压力负载轴颈轴承上的最小前缘角位置为29.5°，加载轴颈轴承的最大后缘角位置为42.5°。 齿轮泵还包括用于将高压流体从齿轮泵的排出口供给到混合垫片处的流体膜的输送路径。
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