CA1119528A - Electro-hydraulic vehicle - Google Patents

Electro-hydraulic vehicle

Info

Publication number
CA1119528A
CA1119528A CA000380947A CA380947A CA1119528A CA 1119528 A CA1119528 A CA 1119528A CA 000380947 A CA000380947 A CA 000380947A CA 380947 A CA380947 A CA 380947A CA 1119528 A CA1119528 A CA 1119528A
Authority
CA
Canada
Prior art keywords
hydraulic
accumulator
hand
batteries
vehicle
Prior art date
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.)
Expired
Application number
CA000380947A
Other languages
French (fr)
Inventor
Michel Ouellette
Marcel Ouellette
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CA000380947A priority Critical patent/CA1119528A/en
Application granted granted Critical
Publication of CA1119528A publication Critical patent/CA1119528A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00Electric propulsion with power supplied within the vehicle
    • B60L50/50Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries

Abstract

PRECIS

On sait qu'un véhicule électrique a déjà été mis au point. Le coeur de ce véhicule est un moteur électrique qui est alimenté par des batteries et la façon de recharger les batteries pour économiser l'énergie s'effectue lors du freinage, entraînant ainsi un ou des générateurs.

Dans la présente invention, le véhicule est muni d'un moteur hy-draulique. La pression hydraulique est accumulée par un système de circu-lation et d'accumulation lors du freinage ainsi que par des amortisseurs de chocs transformant toute vibration de la suspension en une pression hydraulique.

Lorsque la pression hydraulique ainsi accumulée sera épuise un moteur électrique produira une nouvelle pression hydraulique nécessaire à
la demande du moteur hydraulique.
SPECIFIC

We know that an electric vehicle has already been developed. The heart of this vehicle is an electric motor which is powered by batteries and how to recharge the batteries to save energy takes place during braking, thus driving one or more generators.

In the present invention, the vehicle is provided with a hy-hydraulics. Hydraulic pressure is accumulated by a circulation system lation and accumulation during braking as well as by shock absorbers shock transforming any vibration of the suspension into pressure hydraulic.

When the hydraulic pressure thus accumulated will exhaust a electric motor will produce new hydraulic pressure necessary to the demand of the hydraulic motor.

Description

3~2~3 DI VULGATION

~ a pr~sente inventlon se rapporte ~ un vêhicule utilis~nt les forces hydraulique et ~lectrique pour se mouvoir.

Dans le cas du v~hicule ~lectrique, la seule fason de recharger les batteries en marche est lors du freinage mais les ba~eries ne se rechargent pas ~ leur pleine capaclt~.

Par cons~quent, ces v~hicules ne peuvent etre u~ilis~s que pour de courtes distances vu le bas rendement d'efficacit~ du eircuit de recharge lors du freinageO

Nous avons dêcouvert qu^on peut prolonger l'utilisation des batter~es 10 par l'lnstallation d'un syst~me hydraulique. Et lorsque le syst~me de frei-nage et les amortlsseurs de chocs ont accumul~ une certa~ne ~nergie n~cessa~re a la demande du moteur hydraulique, alors durant ce telnps, l'~nergie des batteries n^est pas utilis~e.

De plus, s'~l y a surplus dl~nerg~e hydraul~que, (ex.: lors d'une de5cente rap~de d'une pente~ ~1 y a alors un systeme qul lul, recharge les batter~es. Par ce fait m~me, 1 'autonomie du v~hicule sera am~lior~er Plus précis~n~n~ nvcn~on propose un systam~ de tract~on pouvant propulser un ~hicule par l'ensemble des forces hydrauliques et electrlques;
le dilt syst~me comprenant, en combinaison, au moins un diffêrentiel attach~
20 ~ une transmiss~on qu~ es~ elle-même entra~n~e par un moteur hydraulique qui prend son ~nerg~e d~rectemen~ d'un aocumuldteur~ le dlt accumulateur ~tant aliment~ d~rectemen~ d'une part par des coussins hydraul~ques mont~s sur , .: , . ~

.. . , "
, . ~ , - . ;, ~ : ~ -. -chacune des roues pour ~ransfornler toutes vibrations de la suspension en une press~on hydraulique et d'autre part, par une pompe hydraul~que rel~e au diff~rent~el pour ralentir le vêh~eule lorsque cel~ est n~cessaire. Le dit aeeumulateur ~tant en outre al~ment~ par une autre pompe reli~e ~ un moteur ~lectr~que sur comlnande d'un interrupteur pr~ r~gl~ ~ndiquant une pression trop basse dans l'acellmulateurO Ce melne TOteUr ~lectrique prend son ~nerg~e de batterles recharg~es par un g~n~rateur entra~n~ par un mo~eur hydraul~que qu1,par l'entremise d'une Yalve pr~ gl~e, prend son ~nergie directement de ~out surplus de press~on ayant ~ ransmis dans l'accu~ula-lO teur par un fre~nage excessif ou la pressl~n des couss~ns hydrauliques.

Rela~ivement aux dess1ns qu~ ~llustrent la r~alisak10n de l '~nven-~ion9-La f~gure 1 reprêsente ssh~natiquement le principe de ~onctionnement.
La figure 2 repr~sente les cQuss~ns amortisseurs.

Vu la complexit~ d'un v~h1cule normal (automobile ~ com~ust~on ~n-terne ou ~leetrique), nous n'avons pas mls sur dessin la direction, le chass~s, le syst~me de suspens~on ~nd~pendante aux quatres roues ~nsl que le syst~me de fre~nage. Donc, cons~d~rons les ~l~nts mentilnnn~s ci-haut csmme acqu~s et faisant part~e de ladite ~nvent~on.

~o Comme démontre la f~gure l, l'invent~on comprend un d~f~ren~iel ~'l qui est rel~ à une ~ransmiss10n #2 qui est actionn~ par un moteur hydrau-l~que ~3 ~tant con~and~ par une valv~ #4 que l'opêrateur actlonne au beso~n.
Cekte ~alve est branoh~e ~ un accumulateur hydraul~que #5.

De l'aceumula~eur #5 est branch~ une pompe de freiflage #~ ~tant re-11~e n~caniquPment .~ la transm~ss~on #2 qui sera ac~onn~e au beso~n par ~L1~5 2 ~

l'op~rateur par une valve #7 et lors d'un freinage formera une press~on hydraul~que dans l'accu~ulateur #5.

De l'accumula~eur #5 sont aussi branch~s des amor~sseurs cousslns #8 ~ chacune des roues comme d~on~r~ ~ la figure 2.

De l'accumulateur #5 est ~galement branch~ une valve pr~-r~gl~e #9 qui lors d'une trop grande pression dans 1'accumulateur (survenant d'un fre~-nage excessif ou d~s eouss~ns~ achemlnera le ~rop ple~n ~ un moteur hydraul~-que ~lO, entratnera m~can~quement le g~n~rateur #ll qui chargera les batte-rles tl2.

Des batter~es ~12 est branch~ un moteur ~lectrique #13 qui actionne-ra une pompe hydraulique #15 ~u~ developpe la pression hydraullque dans l'accumulateur #S, le moteur ~lectr~que ~13 aura reçu auparavant la commande d'un ~nterrupteur #14 qui aura d~tect~ une trop basse press~on dans l'accu-mulateur #5.

Nous r~rant maintenant ~ la figure 2 nous d~montrons l'inter~
connexion d'un des coussins amortisseurs repr~sent~ auparavant a~ num~ro 8 de ~a figure 1.

Chacun de ces c~usslns est compos~ d'une enveloppe de caoutchouc #16 ou de toute autre mati~re appllc2ble, de forme cyl~ndr~que ins~re ~ l 'int~-rieur diun ressort ~ boud~n #1? qui lu~ est mont~ entre le chassis ~18 et le bras de susp~ns~on ~19.

Sur cette même enveloppe ~16 on y retrouve deux or~fiees #20 et 21 L'or7Fllce 20 est branch~e ~1 une valve anti-retour #24 permettant l'entr~e d'huile v~nant d'un r~servo~r d'alimentat~on #25 (repr~sent~ ~ la ~igure 1) , ; :
..
;

- . ;

.
. ' ~, ~ ' S~8 dans le coussin lors~ue cel~ ci s'~tire. A l'or~flce #21 est branch~ une autre valve anti-retour #23 qui permet la sort~e seulement apr~s que le coussin ait et~ compress~ lors d'un choc de la roue ~2~.

Cette m~me press~on d'huile venant de llor~ice #21 allmente directe-n~nt 1 'accumul ateur ~ augmentant al ns i 1 ' autonom1e du v~h~cule.

' ~
3 ~ 2 ~ 3 DI VULGATION

~ a ~ present inventlon relates ~ a vehicle used ~ nt forces hydraulic and electric to move.

In the case of the electric vehicle, the only way to recharge the batteries in operation is during braking but the ba ~ eries do not recharge not ~ their full capaclt ~.

Consequently, these vehicles can only be used for short distances given the low efficiency efficiency of the charging circuit when braking O

We have discovered that we can extend the use of batteries 10 by the installation of a hydraulic system. And when the brake system swimming and shock absorbers have accumulated ~ certa ~ ne ~ nergie n ~ cessa ~ re at the request of the hydraulic motor, then during this telnps, the energy of batteries are not used.

In addition, if there is surplus hydraulic power, (e.g. during a de5cente rap ~ of a slope ~ ~ 1 then there is a system qul lul, recharge them batter ~ es. By this very fact, the autonomy of the vehicle will be improved.

More precise ~ n ~ n ~ nvcn ~ we offer a tract ~ on tract that can propel a ~ hicule by all hydraulic and electrical forces;
the system dilt comprising, in combination, at least one differential attachment 20 ~ a transmiss ~ on that ~ es ~ itself entered ~ n ~ e by a hydraulic motor which takes his ~ nerg ~ ed ~ rectemen ~ from an aocumuldteur ~ the accumulator dlt ~ as feed ~ d ~ rectemen ~ on the one hand by hydraulic cushions ~ ques mounted on ,.:,. ~

... , "
, . ~, -. ;, ~: ~ -. -each of the wheels for ~ ransfornler all vibrations of the suspension in a hydraulic press ~ on and on the other hand, by a hydraulic pump ~ that rel ~ e diff ~ rent ~ el to slow the vêh ~ eule when cel ~ is necessary. The said aeeumulator ~ so further al ~ ment ~ by another pump connected ~ e ~ a motor ~ read only on command of a pre-set switch indicating a Too low pressure in the acellulator.
its ~ nerg ~ e of batterles recharged by a generator entered by a motor hydraul ~ qu1, through a pre-glued Yalve, takes its energy directly from ~ out surplus of press ~ on having ransmis in the battery ~ ula-lO tor by excessive fre ~ nage or pressl ~ n hydraulic cush ~ ns.

Relative to the drawings which illustrate the realization of ~ nven-~ ion9-The f ~ gure 1 represents natively ssh ~ the principle of ~ unctioning.
Figure 2 shows ~ cQuss ~ ns shock absorbers.

Given the complexity of a normal vehicle (automobile ~ com ~ ust ~ on ~ n-dull or ~ leetric), we do not have mls on drawing the direction, the chass ~ s, the suspense system ~ on ~ nd ~ hanging on the four wheels ~ nsl that the braking system. So let us consider the ~ l ~ nts mentilnnn ~ s above csmme acquired ~ and part ~ e of said ~ nvent ~ on.

~ o As shown in f ~ gure l, the invention ~ we understand a d ~ f ~ ren ~ iel ~ 'l which is rel ~ to a ~ ransmiss10n # 2 which is actuated ~ by a hydrau-l ~ that ~ 3 ~ both con ~ and ~ by a valve ~ # 4 that the operator actlonne as needed ~ n.
Cekte ~ alve is branoh ~ e ~ a hydraulic accumulator ~ than # 5.

Aceumula ~ eur # 5 is connected ~ a freiflage pump # ~ ~ while re-11 ~ en ~ caniquPment. ~ La transm ~ ss ~ on # 2 which will be ac ~ onn ~ e as needed ~ n by ~ L1 ~ 5 2 ~

the operator by a valve # 7 and during braking will form a press hydraulic only in the accumulator # 5.

Accumulators ~ eur # 5 are also connected to cushioned buffers # 8 ~ each of the wheels as shown in Figure 2.

From accumulator # 5 is ~ also connected ~ a valve pr ~ -r ~ gl ~ e # 9 which when too much pressure in the accumulator (arising from a fre ~ -excessive swimming or as soon as ~ ns ~ will carry the ~ full rop ~ n ~ a hydraulic motor ~ -that ~ lO, will even drive the generator #ll which will charge the bat-tl2 roles.

Batteries ~ 12 is connected to an electric motor # 13 which operates ra a hydraulic pump # 15 ~ u ~ develops the hydraulic pressure in the accumulator #S, the motor ~ read ~ that ~ 13 will have previously received the command a switch # 14 which has detected a too low press on in the battery mulator # 5.

Now looking at Figure 2 we show the inter ~
connection of one of the shock-absorbing cushions shown previously at number 8 from ~ to Figure 1.

Each of these cs usslns is made up of a # 16 rubber wrap or any other mati ~ re appllc2ble, cylind ~ ndr ~ that ins ~ re ~ int ~ -laughing at spring ~ bud ~ n # 1? which read ~ is mounted ~ between the chassis ~ 18 and the suspension arm ~ ns ~ on ~ 19.

On this same envelope ~ 16 there are two gold ~ fiees # 20 and 21 The or7Fllce 20 is connected ~ e ~ 1 a non-return valve # 24 allowing entry ~ e of oil from a servo tank of food # 25 (shown in Figure 1) ,; :
..
;

-. ;

.
. '~, ~' S ~ 8 in the cushion when ~ ue cel ~ ci is pulled. To gold ~ flce # 21 is connected ~ a another non-return valve # 23 which allows the outlet only after the cushion has and ~ compress ~ upon impact of the wheel ~ 2 ~.

This same oil pressure from llor ~ ice # 21 allmente direct-n ~ nt the accumulator ~ increasing al ns i 1 'autonom1e v ~ h ~ cule.

'~

Claims

REVENDICATION
Les réalisations de l'invention, au sujet desquelles un droit exclusif de propriété ou de privilège est revendiqué, sont définies comme suit:
CLAIM
The realizations of the invention, about which a right exclusive ownership or lien is claimed, are defined as follows:
1 Un système de traction pouvant propulser un véhicule par l'ensem-ble de forces hydraulique et électrique et comprenant en combinaison au moins un différentiel attaché à une transmission qui est entraîné par un moteur hydraulique commandé par une valve branchée directement à un accumu-lateur qui est alimenté d'une part par une pompe hydraulique de freinage et d'autre part par des coussins hydrauliques insérés à l'intérieur des res-sorts hélico?daux et de ces mêmes coussins sont branchés d'une part une valve anti-retour permettant l'entrée du fluide hydraulique à l'intérieur du coussin et d'autre part une valve anti-retour permettant la sortie du fluide hydraulique vers l'accumulateur; le dit accumulateur étant branché
à une valve pré-réglée acheminant le trop plein du fluide hydraulique à un moteur hydraulique qui est rattaché mécaniquement à un générateur qui re-charge les batteries; les dites batteries alimentent un moteur électrique qui actionne une pompe hydraulique développant la pression dans l'accumu-lateur lorsqu'il y a commande d'un interrupteur pré-réglé ayant détecté
une trop basse pression dans l'accumulateur.
1 A traction system capable of propelling a vehicle by the ble of hydraulic and electric forces and comprising in combination with minus a differential attached to a transmission which is driven by a hydraulic motor controlled by a valve connected directly to an accumulator lator which is powered on the one hand by a hydraulic brake pump and on the other hand by hydraulic cushions inserted inside the res-helical spells and these same cushions are connected on the one hand a non-return valve allowing the entry of hydraulic fluid inside of the cushion and on the other hand a non-return valve allowing the exit of the hydraulic fluid to the accumulator; the said accumulator being connected to a pre-adjusted valve conveying the overflow of hydraulic fluid to a hydraulic motor which is mechanically attached to a generator which charges the batteries; said batteries power an electric motor which activates a hydraulic pump developing the pressure in the accumu-reader when there is control of a preset switch having detected too low pressure in the accumulator.
CA000380947A 1981-06-30 1981-06-30 Electro-hydraulic vehicle Expired CA1119528A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000380947A CA1119528A (en) 1981-06-30 1981-06-30 Electro-hydraulic vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000380947A CA1119528A (en) 1981-06-30 1981-06-30 Electro-hydraulic vehicle

Publications (1)

Publication Number Publication Date
CA1119528A true CA1119528A (en) 1982-03-09

Family

ID=4120346

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000380947A Expired CA1119528A (en) 1981-06-30 1981-06-30 Electro-hydraulic vehicle

Country Status (1)

Country Link
CA (1) CA1119528A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0534144A1 (en) * 1991-09-26 1993-03-31 Mitsubishi Denki Kabushiki Kaisha A power supply device for an electric vehicle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0534144A1 (en) * 1991-09-26 1993-03-31 Mitsubishi Denki Kabushiki Kaisha A power supply device for an electric vehicle

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