JPWO2020094584A5 - - Google Patents

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Publication number
JPWO2020094584A5
JPWO2020094584A5 JP2021523716A JP2021523716A JPWO2020094584A5 JP WO2020094584 A5 JPWO2020094584 A5 JP WO2020094584A5 JP 2021523716 A JP2021523716 A JP 2021523716A JP 2021523716 A JP2021523716 A JP 2021523716A JP WO2020094584 A5 JPWO2020094584 A5 JP WO2020094584A5
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JP
Japan
Prior art keywords
rotary jet
nozzle assembly
jet nozzle
support
nozzle body
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Pending
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JP2021523716A
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Japanese (ja)
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JP2022519797A (en
Publication date
Priority claimed from EP18425083.5A external-priority patent/EP3646953B1/en
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Publication of JP2022519797A publication Critical patent/JP2022519797A/en
Publication of JPWO2020094584A5 publication Critical patent/JPWO2020094584A5/ja
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Claims (15)

圧力洗浄装置用の回転ジェットノズルアセンブリ（１）であって、回転ジェットノズルアセンブリ（１）が、
洗浄液の入口（３）と出口（４）との間の第１の長手方向軸（Ｘ）に沿って延在し、前記入口（３）と流体連通する前記洗浄液の閉じ込めチャンバ（５）を内部に画定するハウジング（２）と、
前記入口（３）から入る前記洗浄液の効果により、前記閉じ込めチャンバ（５）内で前記第１の長手方向軸（Ｘ）を中心に完全に回転可能な支持体（１０）と、
前記第１の長手方向軸（Ｘ）に対して傾斜した第２の長手方向軸（Ｙ）に沿って延在し、送出ダクト（２８）によって横断されたノズル本体（２０）であって、前記送出ダクト（２８）が、前記閉じ込めチャンバ（５）の上流側で開口し、使用時に、前記ハウジング（２）の前記出口（４）に配置された送出開口部（２２）の下流で開口し、前記ノズル本体（２０）が、前記支持体（１０）に関連付けられ、それによって回転駆動されるノズル本体（２０）と、
前記第１の長手方向軸（Ｘ）を中心にした前記支持体（１０）の回転の間に前記ノズル本体（２０）のバランスをとるために、前記支持体（１０）と一体とされ、前記第１の長手方向軸（Ｘ）に対して偏心して前記ノズル本体（２０）と対向する位置に配置されたカウンターウェイト（３０、３０’、３０’’）と、を備え、
前記カウンターウェイト（３０、３０’、３０’’）が第１の材料で作られ、前記支持体（１０）が第２の材料で作られ、前記第１の材料が前記第２の材料とは異なることを特徴とする、回転ジェットノズルアセンブリ（１）。 A rotary jet nozzle assembly (1) for a pressure washer, the rotary jet nozzle assembly (1) comprising:
a cleaning liquid confinement chamber (5) extending along a first longitudinal axis (X) between a cleaning liquid inlet (3) and an outlet (4) and in fluid communication with said inlet (3); a housing (2) defined in
a support (10) fully rotatable about said first longitudinal axis (X) within said containment chamber (5) under the effect of said cleaning fluid entering said inlet (3);
a nozzle body (20) extending along a second longitudinal axis (Y) inclined with respect to said first longitudinal axis (X) and traversed by a delivery duct (28), said a delivery duct (28) opens upstream of said confinement chamber (5) and, in use, downstream of a delivery opening (22) located at said outlet (4) of said housing (2); a nozzle body (20), said nozzle body (20) being associated with said support (10) and rotatably driven thereby;
integral with said support (10) for balancing said nozzle body (20) during rotation of said support (10) about said first longitudinal axis (X); a counterweight (30, 30′, 30″) positioned eccentrically with respect to a first longitudinal axis (X) and facing the nozzle body (20);
said counterweight (30, 30', 30'') is made of a first material and said support (10) is made of a second material, said first material being different from said second material A rotary jet nozzle assembly (1), characterized in that: 前記第１の材料が、前記第２の材料よりも高い比重を有する、請求項１記載の回転ジェットノズルアセンブリ（１）。 A rotary jet nozzle assembly (1) according to claim 1, wherein said first material has a higher specific gravity than said second material. 前記第１の材料が、金属材料であり、前記第２の材料が、ポリマー材料またはポリマーマトリックス材料である、請求項２記載の回転ジェットノズルアセンブリ（１）。 A rotary jet nozzle assembly (1) according to claim 2, wherein said first material is a metallic material and said second material is a polymer material or a polymer matrix material. 前記支持体（１０）が成形により作られ、前記カウンターウェイト（３０、３０’、３０’’）が機械加工により作られる、請求項３記載の回転ジェットノズルアセンブリ（１）。 A rotary jet nozzle assembly (1) according to claim 3, wherein said support (10) is made by molding and said counterweight (30, 30', 30'') is made by machining. 前記支持体（１０）が、前記カウンターウェイト（３０、３０’）を受けるように構成された連結受座（２１）を備え、前記カウンターウェイト（３０、３０’）が、前記支持体（１０）の前記連結受座（２１）に挟み込まれるように形作られた少なくとも１つの連結部分（３１、３１’）を備える、請求項１～４のいずれか１項に記載の回転ジェットノズルアセンブリ（１）。 Said support (10) comprises a connecting seat (21) adapted to receive said counterweight (30, 30'), said counterweight (30, 30') receiving said support (10). A rotary jet nozzle assembly (1) according to any one of the preceding claims, comprising at least one connecting portion (31, 31') shaped to be sandwiched between said connecting seats (21) of . 前記カウンターウェイト（３０、３０’）が、前記連結部分（３１、３１’）と一体の少なくとも１つのバランス部分（３２、３２’）をさらに備え、前記バランス部分（３２、３２’）が、前記連結部分（３１、３１’）とは異なる断面を有し、前記バランス部分（３２、３２’）が、前記ノズル本体（２０）の質量と動的にバランスをとるように形作られている、請求項５記載の回転ジェットノズルアセンブリ（１）。 Said counterweight (30, 30') further comprises at least one balancing portion (32, 32') integral with said connecting portion (31, 31'), said balancing portion (32, 32') said having a different cross-section than the connecting portion (31, 31'), said balancing portion (32, 32') being shaped to dynamically balance the mass of said nozzle body (20); A rotary jet nozzle assembly (1) according to claim 5. 前記ノズル本体（２０）が、下流側の端部（２３）であって、下流側の端部（２３）で前記送出開口部（２２）が開く、下流側の端部（２３）と、前記支持体（１０）に関連付けられた上流側の端部（２４）とを備え、前記支持体（１０）が、前記ハウジング（２）の前記第１の長手方向軸（Ｘ）に対して偏心して前記連結受座（２１）と対向する位置に配置されたノズル本体（２０）を備え、前記ノズル本体（２０）の前記上流側の端部（２４）が、前記ノズル本体（２０）用の前記連結受座（２１）内に導入される、請求項４～６のいずれか１項に記載の回転ジェットノズルアセンブリ（１）。 a downstream end (23) of said nozzle body (20) at which said delivery opening (22) opens; said an upstream end (24) associated with a support (10), said support (10) being eccentric with respect to said first longitudinal axis (X) of said housing (2); A nozzle body (20) is provided facing the connecting seat (21), and the upstream end (24) of the nozzle body (20) is the nozzle body (20) for the nozzle body (20). A rotary jet nozzle assembly (1) according to any one of claims 4 to 6, which is introduced into a coupling seat (21). 前記ノズル本体（２０）が、下流側の端部（２３）であって、下流側の端部（２３）で前記送出開口部（２２）が開く下流側の端部（２３）と、前記支持体（１０）に関連付けられた上流側の端部（２４）とを備え、前記回転ジェットノズルアセンブリ（１）が、使用時に前記出口（４）に配置されたスライド受座（７）に対する前記ノズル本体（２０）の前記下流側の端部（２３）の当接を保つように構成された前記支持体（１０）に作用する少なくとも１つの弾性要素（６）をさらに備える、請求項１～７のいずれか１項に記載の回転ジェットノズルアセンブリ（１）。 Said nozzle body (20) comprises a downstream end (23) at which said delivery opening (22) opens and said support an upstream end (24) associated with a body (10), said rotary jet nozzle assembly (1) being in use against a slide seat (7) located at said outlet (4); Claims 1 to 7, further comprising at least one elastic element (6) acting on said support (10) adapted to keep said downstream end (23) of body (20) in abutment. A rotary jet nozzle assembly (1) according to any one of the preceding claims. 前記支持体（１０）が、前記ハウジング（２）の前記入口（３）から入る前記洗浄液の少なくとも一部に当たって回転駆動されるタービン（１９）を備える、請求項１～８のいずれか１項に記載の回転ジェットノズルアセンブリ（１）。 9. A turbine (19) according to any one of claims 1 to 8, wherein said support (10) comprises a turbine (19) driven in rotation against at least a portion of said cleaning liquid entering through said inlet (3) of said housing (2). A rotary jet nozzle assembly (1) as described. 前記ハウジング（２）が、前記入口（３）を前記閉じ込めチャンバ（５）に接続する、少なくとも１つの主通路（１２）および少なくとも１つのバイパス通路（１３）を備え、前記少なくとも１つの主通路（１２）および前記少なくとも１つのバイパス通路（１３）が前記閉じ込めチャンバ（５）の異なる領域に開口しており、前記主通路（１２）を通過する唯一の洗浄液が前記タービン（１９）に当たり、前記タービン（１９）を回転駆動させる、請求項９記載の回転ジェットノズルアセンブリ（１）。 Said housing (2) comprises at least one main passageway (12) and at least one bypass passageway (13) connecting said inlet (3) to said containment chamber (5), said at least one main passageway ( 12) and said at least one bypass passage (13) open into different regions of said confinement chamber (5), the only cleaning liquid passing through said main passage (12) striking said turbine (19) and said turbine 10. Rotary jet nozzle assembly (1) according to claim 9, wherein (19) is rotationally driven. 前記支持体（１０）が、前記第１の長手方向軸（Ｘ）に沿って延在する前記ハウジング（２）と一体のピン（１８）に回転可能に取り付けられ、前記タービン（１９）が前記ピン（１８）を囲む翼配列（１９ｂ）を備え、前記少なくとも１つの主通路（１２）が、前記ピン（１８）と前記翼配列（１９ｂ）との間に介在された第１の領域に開口し、前記少なくとも１つのバイパス通路（１３）が、前記翼配列（１９ｂ）と前記ハウジング（２）の側壁（２ａ）との間に配置された第２の領域に開口している、請求項１０記載の回転ジェットノズルアセンブリ（１）。 Said support (10) is rotatably mounted on a pin (18) integral with said housing (2) extending along said first longitudinal axis (X), said turbine (19) a wing arrangement (19b) surrounding a pin (18), said at least one main passageway (12) opening into a first region interposed between said pin (18) and said wing arrangement (19b); 10. Claim 10, wherein said at least one bypass passage (13) opens into a second region located between said vane arrangement (19b) and a side wall (2a) of said housing (2). A rotary jet nozzle assembly (1) as described. 前記ピン（１８）が前記少なくとも１つの主通路（１２）によって横断される、請求項１１記載の回転ジェットノズルアセンブリ（１）。 A rotary jet nozzle assembly (1) according to claim 11, wherein said pin (18) is traversed by said at least one main passageway (12). 前記ピン（１８）が、前記ハウジング（２）と一体の支持ベース（１５）から延在し、前記支持ベース（１５）と前記側壁（２ａ）との間で前記閉じ込めチャンバ（５）の内部に隙間（１４）が形成され、前記少なくとも１つのバイパス通路（１３）が前記隙間（１４）に開口している、請求項１２記載の回転ジェットノズルアセンブリ（１）。 Said pin (18) extends from a support base (15) integral with said housing (2) and within said containment chamber (5) between said support base (15) and said side wall (2a). 13. Rotary jet nozzle assembly (1) according to claim 12, wherein a gap (14) is formed and said at least one bypass passage (13) opens into said gap (14). 前記第１の材料が真ちゅうである、請求項３記載の回転ジェットノズルアセンブリ（１）。A rotary jet nozzle assembly (1) according to claim 3, wherein said first material is brass. 前記バランス部分（３２、３２’）の断面が、前記連結部分（３１、３１’）の断面よりも小さい、請求項６記載の回転ジェットノズルアセンブリ（１）。7. Rotary jet nozzle assembly (1) according to claim 6, wherein the cross-section of the balancing portion (32, 32') is smaller than the cross-section of the connecting portion (31, 31').
JP2021523716A 2018-11-05 2019-11-04 Rotating jet nozzle assembly for pressure washer Pending JP2022519797A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP18425083.5A EP3646953B1 (en) 2018-11-05 2018-11-05 Rotary jet nozzle assembly for pressure cleaning devices
EP18425083.5 2018-11-05
PCT/EP2019/080128 WO2020094584A1 (en) 2018-11-05 2019-11-04 Rotary jet nozzle assembly for pressure cleaning devices

Publications (2)

Publication Number Publication Date
JP2022519797A JP2022519797A (en) 2022-03-25
JPWO2020094584A5 true JPWO2020094584A5 (en) 2022-10-27

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US (1) US20210387210A1 (en)
EP (2) EP3646953B1 (en)
JP (1) JP2022519797A (en)
CN (1) CN113164990B (en)
AU (1) AU2019374388A1 (en)
CA (1) CA3118390A1 (en)
DK (2) DK3646953T3 (en)
ES (2) ES2965058T3 (en)
WO (1) WO2020094584A1 (en)

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