Controlled release of additive gel(s) for functional fluids
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C10M-159/22
C10M-159/00
C10M-159/24
C10M-159/20
출원번호
US-0045815
(2005-01-28)
등록번호
US-7384896
(2008-06-10)
발명자
/ 주소
George,Herman F.
Burrington,James D.
Pudelski,John K.
Roski,James P.
Martin,John R.
Ineman,Jennifer M.
Garvin,Gary A.
van Lier,Frank M.
McCaughey,David A.
출원인 / 주소
The Lubrizol Corporation
대리인 / 주소
Hilker,Christopher D.
인용정보
피인용 횟수 :
4인용 특허 :
57
초록▼
In accordance with the present invention, it has been discovered that additive gels can provide additives to a functional fluid over time. In accordance with the present invention it has been discovered that an additive gel comprising i.) at least two additives selected from the group comprising
In accordance with the present invention, it has been discovered that additive gels can provide additives to a functional fluid over time. In accordance with the present invention it has been discovered that an additive gel comprising i.) at least two additives selected from the group comprising detergents, dispersants, acids, bases, over based detergent, succinated polyolefins or mixtures thereof wherein the selected additives when combined form a gel; ii.) optionally at least one additive comprising viscosity modifier(s), friction modifier(s), detergent(s), cloud point depressant(s), pour point depressant(s), demulsifier(s), flow improver(s), anti static agent(s), dispersant(s), antioxidant(s), antifoam(s), corrosion/rust inhibitor(s), extreme pressure/antiwear agent(s), seal swell agent(s), lubricity aid(s), antimisting agent(s), and mixtures thereof; resulting in a controlled release gel that over time releases at least one desired additive into a functional fluid when the gel is contacted with the functional fluid.
대표청구항▼
We claim: 1. An additive gel composition comprising i.) an over based detergent, a succinimide dispersant, and a polysuccinated polyolefin wherein the additives when combined form a gel; and ii.) optionally at least one additive comprising viscosity modifier(s), friction modifier(s), detergent(s),
We claim: 1. An additive gel composition comprising i.) an over based detergent, a succinimide dispersant, and a polysuccinated polyolefin wherein the additives when combined form a gel; and ii.) optionally at least one additive comprising viscosity modifier(s), friction modifier(s), detergent(s), cloud point depressant(s), pour point depressant(s), demulsifier(s), flow improver(s), anti static agent(s), dispersant(s), antioxidant(s), antifoam(s), corrosion/rust inhibitor(s), extreme pressure/antiwear agent(s), seal swell agent(s), lubricity aid(s), antimisting agent(s), and mixtures thereof; resulting in a controlled release gel that over time releases at least one additive into a functional fluid when the gel is contacted with the functional fluid wherein the functional fluid is selected from the group consisting of automatic transmission fluids, gear box fluids, manual transmission fluids, differential fluids, metalworking fluids, suspension system fluids, engine fluids, mechanical system fluids, industrial fluids and combinations thereof. 2. The additive gel of claim of claim 1 wherein the weight ratio of detergent to dispersant is from about 10:1 to about 1:10 and the detergent is an over based detergent having a TBN of at least 200. 3. The additive gel of claim 1 wherein the dispersant is present in a range of about 0.01 wt. % to about 95% of the additive gel, and wherein the detergent is selected from the group consisting of over based sulfonates, phenates, salicylates, carboxylates, over based calcium sulfonate detergents, overbased detergents containing metals such as Mg, Ba, Sr, Na, C and K and mixtures thereof and wherein the detergents are in the range from about 0.01 wt. % to about 99% by wt. of the additive gel. 4. The additive gel of claim 1 is wherein one or more ii components selectively dissolve into the functional fluid. 5. The additive gel of claim 1 wherein the additive component to be released over time is determined by the functional fluid formulation, the performance characteristics of the functional fluid and combinations thereof. 6. The additive gel of claim 1 wherein i component is present in the range from about 0.01 wt. % to about 95 wt. % of the additive gel and wherein ii component is present in the range of about 0% to about 95% by wt. of the additive gel. 7. The additive gel of claim 1 wherein at least one other component is added to the additive gel composition which is selected from the group consisting of base stock oils, inert carriers, dyes, bacteriostatic agents, solid particulate additives and mixtures thereof. 8. The additive gel of claim 1 wherein the ii component additive is an anti-foam agent resulting in a controlled release gel that over time releases an antifoam additive into the functional fluid so as to reduce the foaming tendency and to improve stability of the fluid. 9. The additive gel of claim 1 wherein the gel comprises an over based detergent a succinimide dispersant, an ashless anti-oxidant and a polysuccinated polyolefin resulting in a controlled release gel that over time releases an antioxidant additive into the functional fluid of an engine. 10. The additive gel of claim 1 comprising an over based detergent, a succinimide dispersant, a friction modifier and a polysuccinated polyolefin resulting in a controlled release gel that over time releases the friction modifier into the functional fluid so as to reduce the coefficient friction between metal parts. 11. A process for supplying one or more additives to a functional fluid in a fluid conditioning device comprising contacting the functional fluid with an additive gel comprising i. an over based detergent, a succinimide dispersant, and a polysuccinated polyolefin wherein the additives when combined form a gel; and ii. optionally at least one additive comprising viscosity modifier(s), friction modifier(s), detergent(s), cloud point depressant(s), pour point depressant(s), demulsifier(s), flow improver(s), anti static agent(s), dispersant(s), antioxidant(s), antifoam(s), corrosion/rust inhibitor(s), extreme pressure/antiwear agent(s), seal swell agent(s), lubricity aid(s), antimisting agent(s), and mixtures thereof; wherein the fluid conditioning device is selected from the group consisting of internal combustion engines, stationary engines, generators, diesel engines, gasoline engines, on highway engines, off highway engines, two cycle engines, aviation engines, piston engines, marine engines, railroad engines, biodegradable fuel engines, lubricating mechanical systems, gear boxes, automatic transmissions, manual transmissions, differentials, hydraulic systems, pumps, suspension systems, lubricant mechanical systems and combinations thereof; and wherein the functional fluid is selected from the group consisting of automatic transmission fluids, gear box fluids, manual transmission fluids, differential fluids, metalworking fluids, suspension system fluids, engine fluids, mechanical system fluids, industrial fluids and combinations thereof. 12. The process of claim 11 wherein at least one additive gel is used for the functional fluid and wherein the additive gel can be identical, similar or a different additive gel composition and can be used in one or more locations in the functional fluid device. 13. A fluid conditioning device selected from the group consisting of internal combustion engines, stationary engines, generators, diesel engines, gasoline engines, on highway engines, off highway engines, two cycle engines, aviation engines, piston engines, marine engines, railroad engines, biodegradable fuel engines, lubricant mechanical systems, gear boxes automatic transmissions, manual transmissions, differentials, hydraulic systems, pumps, suspension systems and combinations thereof wherein functional fluid in the device becomes diminished and/or depleted of its additives over time and wherein the functional fluid is in contact with an additive gel that releases additive into the functional fluid overtime and wherein the additive gel composition comprises i. an over based detergent, a succinimide dispersant, and a polysuccinated polyolefin wherein the additives when combined form a gel and ii. optionally at least one additive comprising viscosity modifier(s), friction modifier(s), detergent(s), cloud point depressant(s), pour point depressant(s), demulsifier(s), flow improver(s), anti static agent(s), dispersant(s), antioxidant(s), antifoam(s), corrosion/rust inhibitor(s), extreme pressure/antiwear agent(s), seal swell agent(s), lubricity aid(s), antimisting agent(s), and mixtures thereof. 14. The device of claim 13 wherein the additive gel is placed in a holder and wherein at least a portion of the additive gel is in contact with the functional fluid. 15. The device of claim 13 wherein the additive gel is in contact with the functional fluid in the range of about 100% to about 1% of the functional fluid.
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