EP4253675A4 - Online draft-in-place gravity sewage discharging device and method, and suction and blowing-off system and method - Google Patents

Online draft-in-place gravity sewage discharging device and method, and suction and blowing-off system and method Download PDF

Info

Publication number: EP4253675A4
Authority: EP; European Patent Office
Prior art keywords: blowing; suction; discharging device; sewage discharging; gravity sewage
Prior art date: 2020-11-30
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Pending

Application number

EP21896212.4A

Other languages

German (de)

French (fr)

Other versions

EP4253675A1 (en

Inventor

Bin Fan

Shikun ZHU

Tingting QIAN

Hongqiao ZHANG

Yunjiao MA

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Changshu Guoke Aiwei Rural Drainage Engineering Technology Co Ltd

Research Center for Eco Environmental Sciences of CAS

Original Assignee

Changshu Guoke Aiwei Rural Drainage Engineering Technology Co Ltd

Research Center for Eco Environmental Sciences of CAS

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2020-11-30

Filing date

2021-05-26

Publication date

2024-11-06

2021-05-26 Application filed by Changshu Guoke Aiwei Rural Drainage Engineering Technology Co Ltd, Research Center for Eco Environmental Sciences of CAS filed Critical Changshu Guoke Aiwei Rural Drainage Engineering Technology Co Ltd

2023-10-04 Publication of EP4253675A1 publication Critical patent/EP4253675A1/en

2024-11-06 Publication of EP4253675A4 publication Critical patent/EP4253675A4/en

Status Pending legal-status Critical Current

Classifications

- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
- E03F1/006—Pneumatic sewage disposal systems; accessories specially adapted therefore
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D5/00—Special constructions of flushing devices, e.g. closed flushing system

Landscapes

Engineering & Computer Science (AREA)
Health & Medical Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Hydrology & Water Resources (AREA)
Public Health (AREA)
Water Supply & Treatment (AREA)
Aviation & Aerospace Engineering (AREA)
Sink And Installation For Waste Water (AREA)

EP21896212.4A 2020-11-30 2021-05-26 Online draft-in-place gravity sewage discharging device and method, and suction and blowing-off system and method Pending EP4253675A4 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
CN202011395303.XA CN112554301A (en)	2020-11-30	2020-11-30	On-line wind-drawing-on-site gravity sewage-discharging suction and sewage-discharging method and device
PCT/CN2021/096083 WO2022110702A1 (en)	2020-11-30	2021-05-26	Online draft-in-place gravity sewage discharging device and method, and suction and blowing-off system and method

Publications (2)

Publication Number	Publication Date
EP4253675A1 EP4253675A1 (en)	2023-10-04
EP4253675A4 true EP4253675A4 (en)	2024-11-06

Family

ID=75047586

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP21896212.4A Pending EP4253675A4 (en)	2020-11-30	2021-05-26	Online draft-in-place gravity sewage discharging device and method, and suction and blowing-off system and method

Country Status (3)

Country	Link
EP (1)	EP4253675A4 (en)
CN (1)	CN112554301A (en)
WO (1)	WO2022110702A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN112554301A (en) *	2020-11-30	2021-03-26	中国科学院生态环境研究中心	On-line wind-drawing-on-site gravity sewage-discharging suction and sewage-discharging method and device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4184506A (en) *	1973-12-29	1980-01-22	Krister Nordberg	Vacuum sewer system
US4955091A (en) *	1988-08-12	1990-09-11	Kaiser Aerospace And Electronics Corporation	Method and apparatus for a vacuum assisted toilet system
DE102007018549A1 (en) *	2007-04-19	2008-10-30	Airbus Deutschland Gmbh	Vacuum toilet system for waste water transport and sewage collection in an airplane
US20160319529A1 (en) *	2013-12-20	2016-11-03	Evac Gmbh	Vacuum toilet with centrifugal separator

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4136931A1 (en) *	1991-04-23	1992-10-29	Rauno Haatanen	DRAIN SYSTEM FOR THE DRAIN UNIT OF A UNIT PRODUCING UNIT
WO2004065704A1 (en) *	2003-01-24	2004-08-05	Tatuo Suzuki	Toilet
CN201010964Y (en) *	2007-02-03	2008-01-23	张其标	Combined type closet
CN101691777B (en) *	2009-09-24	2011-09-14	山东华腾环保科技有限公司	Vacuum-assisted toilet
CN201762796U (en) *	2010-09-07	2011-03-16	徐连生	Energy saving and environmental protection closestool
KR101190379B1 (en) *	2012-02-17	2012-10-11	이해룡	Auto discharge equipment of vacuum toilet system
JP6116891B2 (en) *	2012-12-25	2017-04-19	アロン化成株式会社	Toilet bowl
CN203559477U (en) *	2013-09-17	2014-04-23	上海亮力活动房有限公司	Vacuum toilet
CN107435359A (en) *	2016-05-25	2017-12-05	山东腾博环境科技有限公司	Public toilet faeces vacuum self-priming apparatus
CN106836409A (en) *	2017-03-23	2017-06-13	江苏慧明智能科技有限公司	Care bed vacuum excrement collector
CN110552410A (en) *	2019-09-24	2019-12-10	谢智勇	whole-course negative pressure closestool and integrated washstand for hiding same
CN111119307B (en) *	2020-01-15	2024-11-12	四川旅发环保科技有限公司	Vacuum foam water-saving toilet
CN111576573B (en) *	2020-04-29	2021-09-03	山东中车华腾环保科技有限公司	Household toilet system and working method
CN112554301A (en) *	2020-11-30	2021-03-26	中国科学院生态环境研究中心	On-line wind-drawing-on-site gravity sewage-discharging suction and sewage-discharging method and device

2020
- 2020-11-30 CN CN202011395303.XA patent/CN112554301A/en active Pending
2021
- 2021-05-26 EP EP21896212.4A patent/EP4253675A4/en active Pending
- 2021-05-26 WO PCT/CN2021/096083 patent/WO2022110702A1/en unknown

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4184506A (en) *	1973-12-29	1980-01-22	Krister Nordberg	Vacuum sewer system
US4955091A (en) *	1988-08-12	1990-09-11	Kaiser Aerospace And Electronics Corporation	Method and apparatus for a vacuum assisted toilet system
DE102007018549A1 (en) *	2007-04-19	2008-10-30	Airbus Deutschland Gmbh	Vacuum toilet system for waste water transport and sewage collection in an airplane
US20160319529A1 (en) *	2013-12-20	2016-11-03	Evac Gmbh	Vacuum toilet with centrifugal separator

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2022110702A1 *

Also Published As

Publication number	Publication date
WO2022110702A1 (en)	2022-06-02
CN112554301A (en)	2021-03-26
EP4253675A1 (en)	2023-10-04

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Date	Code	Title	Description
2022-06-04	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE
2023-09-01	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2023-09-01	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE
2023-10-04	17P	Request for examination filed	Effective date: 20230630
2023-10-04	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
2023-11-15	RAP3	Party data changed (applicant data changed or rights of an application transferred)	Owner name: CHANGSHU GUOKE AIWEI RURAL DRAINAGE ENGINEERING TECHNOLOGY CO., LTD Owner name: RESEARCH CENTER FOR ECO-ENVIRONMENTAL SCIENCES, CHINESE ACADEMY OF SCIENCES
2023-11-22	DAX	Request for extension of the european patent (deleted)
2023-11-22	RAV	Requested validation state of the european patent: fee paid	Extension state: TN Effective date: 20230630 Extension state: MA Effective date: 20230630 Extension state: KH Effective date: 20230630
2024-09-30	REG	Reference to a national code	Ref country code: DE Ref legal event code: R079 Free format text: PREVIOUS MAIN CLASS: E03D0011020000 Ipc: E03F0001000000
2024-11-06	A4	Supplementary search report drawn up and despatched	Effective date: 20241007
2024-11-06	RIC1	Information provided on ipc code assigned before grant	Ipc: E03D 5/00 20060101ALI20240930BHEP Ipc: E03F 1/00 20060101AFI20240930BHEP