SG11201803857RA - Piston-chamber combination - Google Patents

Piston-chamber combination

Info

Publication number
SG11201803857RA
SG11201803857RA SG11201803857RA SG11201803857RA SG11201803857RA SG 11201803857R A SG11201803857R A SG 11201803857RA SG 11201803857R A SG11201803857R A SG 11201803857RA SG 11201803857R A SG11201803857R A SG 11201803857RA SG 11201803857R A SG11201803857R A SG 11201803857RA
Authority
SG
Singapore
Prior art keywords
sealing
piston
chamber
longitudinal
international
Prior art date
Application number
SG11201803857RA
Inventor
Der Blom Nicolaas Van
Original Assignee
Nvb Propulsion Int Ltd
Der Blom Nicolaas Van
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.)
Filing date
Publication date
Application filed by Nvb Propulsion Int Ltd, Der Blom Nicolaas Van filed Critical Nvb Propulsion Int Ltd
Publication of SG11201803857RA publication Critical patent/SG11201803857RA/en

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J10/00Engine or like cylinders; Features of hollow, e.g. cylindrical, bodies in general
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/14Pistons, piston-rods or piston-rod connections
    • F04B53/143Sealing provided on the piston
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08Characterised by the construction of the motor unit
    • F15B15/14Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423Component parts; Constructional details
    • F15B15/1447Pistons; Piston to piston rod assemblies
    • F15B15/1452Piston sealings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/36Special sealings, including sealings or guides for piston-rods
    • F16F9/368Sealings in pistons
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/48Arrangements for providing different damping effects at different parts of the stroke
    • F16F9/483Arrangements for providing different damping effects at different parts of the stroke characterised by giving a particular shape to the cylinder, e.g. conical
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J1/00Pistons; Trunk pistons; Plungers
    • F16J1/005Pistons; Trunk pistons; Plungers obtained by assembling several pieces
    • F16J1/006Pistons; Trunk pistons; Plungers obtained by assembling several pieces of different materials
    • F16J1/008Pistons; Trunk pistons; Plungers obtained by assembling several pieces of different materials with sealing lips
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J10/00Engine or like cylinders; Features of hollow, e.g. cylindrical, bodies in general
    • F16J10/02Cylinders designed to receive moving pistons or plungers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J3/00Diaphragms; Bellows; Bellows pistons
    • F16J3/06Bellows pistons

Abstract

INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property -' Organization International Bureau ires.. 00) (43) International Publication Date ..... ..sr ,„„ol 1 June 2017 (01.06.2017) WIPO I PCT (10) WO International 111111111111311111111111111111111111111111111111111111111111111111111111111111111111111111 2017/089852 Publication Al Number (51) International Patent Classification: BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, F16J 3/06 (2006.01) F16J 10/00 (2006.01) DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, FO4B 53/14 (2006.01) Fl 5B 15/14 (2006.01) HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KN, KP, KR, F16F 9/48 (2006.01) KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, (21) International Application Number: PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, PCT/IB2015/002212 SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, (22) International Filing Date: TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. 24 November 2015 (24.11.2015) (84) Designated States (unless otherwise indicated, for every (25) Filing Language: English kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, (26) Publication Language: English TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, (71) Applicant: NVB PROPULSION INTERNATIONAL TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, LTD [GB/GB]; 1st. Fl. West Wing, Davidson House, For- DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, bury Square, Reading, Berkshire RG1 3EU (GB). LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, (72) Inventor; and GW, KM, ML, MR, NE, SN, TD, TG). (71) Applicant : VAN DER BLOM, Nicolaas [NL/CH]; Postlagernd, CH-6314 Unterageri (CH). Published: (81) Designated States (unless otherwise indicated, for every with international search report (Art 21(3)) kind of national protection available): AE, AG, AL, AM, — with amended claims (Art 19(1)) AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, (54) Title: PISTON-CHAMBER COMBINATION 1 W 14 27 10 I t A 13 1 1 &Tem --• ji 4 fl fl 0 OIL 2 9 8 i 0 0 2 15 4 5 7 2 37 1 1 , 0 0111 rlib 6 A1 38 l 9 ► 111 lir 6 1 Fi • .58 FLAS 50 49 h X Fig . 1 1 .1 (57) : A piston-chamber combination comprising a chamber (1) which is bounded by an inner chamber wall (4), and com- .4! prising a piston (1) in said chamber (2) to be engagingly movable relative to said chamber wall (4) at least between a first position and a second position of the chamber (2), said chamber (2) having cross-sections of different cross-sectional areas and differing cir- ri in cumferential lengths at the first and second longitudinal positions, and at least substantially continuously different cross-sectional GC areas and circumferential lengths at intermediate longitudinal positions between the first and second longitudinal positions, the CP\ cross-sectional area and circumferential length at said second longitudinal position being smaller than the cross-sectional area and Ia n ) circumferential length at said first longitudinal position, said piston (1) is comprising an member (12) for suspension of the sealing - C (8, 9), said member (12) is rotatable, and said sealing (8, 9) is comprising a separate part (6, 6') engaging the wall (4) of said cham - IN ber (2) and a sealing (8, 9) made of elastically defoimable impervious material, and mounted on the piston rod (5). This is achieved c:::, by the piston (1) is produced to have a production-size of said separate part (6') and said sealing (8, 9) in the stress-free and unde - N foiined state thereof in which the circumferential length of the piston (1) is approximately equivalent to the circumferential length of 0 said chamber wall (4) at said second longitudinal position, the piston (1) being expandable from its production size in a direction transversally with respect to the longitudinal [Continued on next page] WO 2017/089852 Al MIONIMOREMIMOIDEEDIREHEIMEIDEMEHOIS / circular direction of the chamber (2) thereby providing for an expansion of sealing (7) of the piston (1) from the production size thereof during the relative movements of the piston from said second longitudinal position to said first longitudinal / circular posi - tion, one end, closest to a second longitudinal / circular position of the chamber, the sealing (7, 7') is embedded in a separate part (6, 6'), said sealing (8,9) of the piston (1) is comprising sealing sections (19, 20; 51, 51') in a direction along the piston rod (5), said sealing (7) is updivided in said sections over the circumference of said sealing (7), and, the angle (6;) in-between two adja- cent sealing sections is much less than 180°, one other end, closest to a first longitudinal / circular position of the chamber, said sealing (7) is updivided updivided in said sections over the circumference of said sealing (7), and, the angle (8;y) in- between two adjacent sealing sections is bigger than said angle (6;).
SG11201803857RA 2015-11-24 2015-11-24 Piston-chamber combination SG11201803857RA (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2015/002212 WO2017089852A1 (en) 2015-11-24 2015-11-24 Piston-chamber combination

Publications (1)

Publication Number Publication Date
SG11201803857RA true SG11201803857RA (en) 2018-06-28

Family

ID=55398328

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201803857RA SG11201803857RA (en) 2015-11-24 2015-11-24 Piston-chamber combination

Country Status (11)

Country Link
US (1) US20180372090A1 (en)
EP (1) EP3405704A1 (en)
JP (1) JP6928751B2 (en)
KR (1) KR20180084978A (en)
CN (2) CN114412990A (en)
BR (1) BR112018009854A2 (en)
MX (1) MX2018006420A (en)
PH (1) PH12018501350A1 (en)
SG (1) SG11201803857RA (en)
WO (1) WO2017089852A1 (en)
ZA (1) ZA201804225B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114412990A (en) * 2015-11-24 2022-04-29 Nvb推进国际有限公司 Piston-chamber combination
US20190390654A1 (en) 2017-02-09 2019-12-26 Nvb Windmill Energy International Ltd Wind turbine

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1143665A (en) * 1965-12-04
US4969542A (en) * 1989-07-17 1990-11-13 General Motors Corporation Dust shield for a damper
US6018093A (en) 1998-06-29 2000-01-25 The Procter & Gamble Company Absorbent article including a calcium-based feces modification agent
ATE381674T1 (en) 1999-04-22 2008-01-15 Nvb Composites Internat A S DEVICE CONSISTING OF THE COMBINATION OF A CHAMBER WITH A PISTON
US7461582B2 (en) * 2002-05-24 2008-12-09 Van Der Blom Nicolaas Device comprising a combination of a chamber and a piston
DE10117662C1 (en) * 2001-04-09 2003-01-16 Freudenberg Carl Kg Rod or piston primary seal
CN1720396A (en) * 2002-10-02 2006-01-11 Nvb合成物国际联合股份有限公司 Combination of a chamber and a piston, a pump, a shock absorber, a transducer, a motor and a power unit incorporating the combination
US8235255B2 (en) * 2008-07-02 2012-08-07 Nordson Corporation Pistons with a lip seal and cartridge systems using such pistons
CN101324230A (en) * 2008-07-04 2008-12-17 西安交通大学 Reciprocating compressor with novel transmission mechanism
CN201593495U (en) * 2010-01-25 2010-09-29 福建尤迪电机制造有限公司 Air pump lubricated without oil
CN101776061A (en) * 2010-03-05 2010-07-14 浙江鸿友压缩机制造有限公司 Piston valve air suction non-lubricated air compressor
CN102562283B (en) * 2010-12-20 2015-03-11 苏承寰 Internal combustion engine with double rotor pistons
TW201321596A (en) 2011-07-01 2013-06-01 Nvb Composites Internat Uk Ltd Piston-chamber combination
CN114412990A (en) * 2015-11-24 2022-04-29 Nvb推进国际有限公司 Piston-chamber combination

Also Published As

Publication number Publication date
KR20180084978A (en) 2018-07-25
WO2017089852A1 (en) 2017-06-01
BR112018009854A2 (en) 2019-01-22
CN114412990A (en) 2022-04-29
US20180372090A1 (en) 2018-12-27
EP3405704A1 (en) 2018-11-28
JP6928751B2 (en) 2021-09-01
JP2018538491A (en) 2018-12-27
CN108291640B (en) 2021-09-03
ZA201804225B (en) 2019-09-25
CN108291640A (en) 2018-07-17
MX2018006420A (en) 2019-05-02
PH12018501350A1 (en) 2019-02-18

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