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2 636 969

(13)

(51)

IPC

F04D29/16(2006-01-01)

(21) (22)

Application

2016136020, 2016-09-06

(24)

Start date

2016-09-06

(22)

Actual filing date

2016-09-06

(45)

Published

2017-11-29

(72)

Inventor

Markov Dmitrij ValentinovichChistyakov Evgenij AleksandrovichGlechikov Aleksandr Nikolaevich

(73)

Holder

Aktsionernoe Obshchestvo

PUMP IMPELLER SEAL Russian patent published in 2017 - IPC F04D29/16

Abstract RU 2636969 C1

FIELD: engines and pumps.

SUBSTANCE: invention relates to pump sealing assemblies and can be used for pumps transferring liquids with temperature up to +400°C, including explosion and fire hazardous media with of abrasive mechanical impurities. Pump impeller seal consists of replaceable ring installed with interference on impeller and a ring installed in the pump body.

EFFECT: installation of replaceable ring with interference provides its reliable attachment, and availability of circular collar provides elimination of its displacement in axial direction.

1 dwg

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RU 2 636 969 C1

Authors

Markov Dmitrij Valentinovich

Chistyakov Evgenij Aleksandrovich

Glechikov Aleksandr Nikolaevich

Dates

2017-11-29—Published

2016-09-06—Filed