CA2044690A1 - Oil spraying device - Google Patents

Oil spraying device

Info

Publication number
CA2044690A1
CA2044690A1 CA 2044690 CA2044690A CA2044690A1 CA 2044690 A1 CA2044690 A1 CA 2044690A1 CA 2044690 CA2044690 CA 2044690 CA 2044690 A CA2044690 A CA 2044690A CA 2044690 A1 CA2044690 A1 CA 2044690A1
Authority
CA
Canada
Prior art keywords
liquid
vehicle
undercoating
chamber
applicator
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.)
Abandoned
Application number
CA 2044690
Other languages
French (fr)
Inventor
Robert Mathieu
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 CA 2044690 priority Critical patent/CA2044690A1/en
Publication of CA2044690A1 publication Critical patent/CA2044690A1/en
Abandoned legal-status Critical Current

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Abstract

A B S T R A C T

An undercoating applicator powered by an electric drill, for applying undercoating liquid to the underside of a vehicle comprising a reservoir, a chamber, which has at least one orifice, a pump which is driven by the electric drill and which is capable of pumping undercoating liquid from the reservoir to the chamber and at least one impeller which is driven by the electric drill and which is housed within the chamber.

Description

204469~

DEVICE FOR APPLYING RUST-PROOFING LIQUID

The present invention relates to a method of applying rust-proofing liquid to the underside of a vehicle and an applicator which has been prepared and designed to accomplish this purpose.
Conventionally, rust-proofing liquid is applied to the underside of a vehicle by spraying the underside of the vehicle with a suitable liquid whlch will cling to and solidify upon the underside of the vehicle. Rust-proofing liquid is conventionally applied through various spraying techniques which are well known.
In the past, to effectively spray the underside of a vehicle, the vehicle is hoisted to a suitable level above the ground to allow a person to access the underside of the vehicle with the appropriate spraying equipment. The height to which the vehicle must be hoisted depends upon the height of the person applying the rust--proofing liquid, depends upon the reach of the hoist, and depends upon the space available in the shop area to hoist the vehicle. The act of hoisting a vehicle into the air and maintaining it at a height above the ground has many associated risks, including a failure of the hoist or an improperly secured vehicle. Furthermore, a suitable shop area and a hoist or a pit are required to use the spray equipment.

20~69~

In addition, as rust-proofing liquids are being applied to the underside of a vehicle in a wet state, the liquid is susceptible to running off of the vehicle~s surface and onto the person who is applying the rust-proofing liquid. This is very inconvenient, particularly as the liquid is generally sticky and hardens upon being exposed to the air.
Furthermore, as many rust-proofing liquids harden, they may block the spraying equipment so that it operates poorly, or not at all. This is particularly a problem if one stops midway through the application of rust-proofing liquid and attempts to recommence application of the liquid without having cleaned the spraying equipment, and in particular, the spraying nozzle.
Furthermore, convent:ional undercoating equipment operates by the action of compressed air forcing the undercoating liquid through a spray nozzle. This necessitates the use of an air compressor and other expensive equipment.
The object of the present invention is to provide a tool for applying undercoating liquid to the underside of a vehicle which overcomes the need ~o hoist the vehicle into the air to apply the liquid and which overcomes the need to use compressed air equipment to propel the liquid in the desired manner.
In one broad aspect, the present invention relates to an undercoating applicator powered by an electric drill, for applying undercoating liquid to the underside of a vehicle comprising a reservoir, a chamber, which has at least one orifice, a pump which is driven by the electric drill and which is capable of pumping undercoating liquid from the reservoir 20446~0 to the chamber and at least one impeller which is housed within the chamber.
In drawings that illustrate the present invention by way of example:
Figure 1 is a side view of a device according to one embodiment of the present invention;
Figure 2 is a cross-section of the impeller end of the device of Figure 1;
Figure 3 is detailed view of the gear pump, common wall and impellers of the device of Figure l;
Figure 4 is a cross-section of the impeller chamber and the variable sized or:ifice according to one embodiment of the device of Figure l;
Figure 5 is a top view of one embodiment of the device of Figure 1.

Referring to Figures 1, 2, 3, 4 and 5, a particular advantageous embodiment of the present invention is illustrated therein.
One aspect of the applicator of the present invention is illustrated in Figure 1. In the preferred embodiment, the applicator housing 1 is made of rigid plastic or other suitable material. The applicator has a handle 2 integrated into the housing to allow the user to securely grasp the applicator during use and to allow the applicator to be partially extended beneath the underbody of the vehicle to thereby permit the easy application of rust-proofing liquid to the underside of a vehicle while the vehic:Le remains upon the ground. The 20~6~

applicator is capable of applying conventional rust-proofing liquids or new or used motor oil to the underside of a vehicle.
It is understood that shielding material may be used to protect vehicle components that are to remain untouched by rust-proofing liquid. It is also understood that the work area below the vehicle, such as the driveway or shop floor, may be protected by placing a 1:arp on the driveway or shop floor directly below the vehicle.
The applicator is designed to be used in association with an electric hand drill 3 or suitable rotary tool. In use, one of the operator's hands would secure the handle integrated into the applicator housing, while the other hand would secure the hand drill in the customary manner.
The applicator is capable of applying conventional undercoating liquids to the underside of a vehicle and is also well suited to the application of new or used motor oil to the underside of a vehicle.
Prior to the application of the liquid to the undersurface of the vehicle, the liquid is stored in a liquid reservoir 4, shown by way of dotted lines in Figure l, which may be filled by removing the reservoir cap 5.
In operation, the liquid is continuously drawn from the liquid reservoir through a supply tube 6 by a gear pump 7 shown in Figures 2 and 3 or other suitable liquid pump. The gear pump 7 pumps the liquid into an impeller chamber 8 shown in Figures 2 and 4.
There is a common wall 9 between the gear pump 7 and the impeller chamber 8 which has a pair of holes lO in it as shown in Figure 3, thereby permitting the liquid to flow from the gear pump 7 into the impel]er chamber 8. It is understood that the holes 10 must be made large enough to allow a steady stream of undercoating liquid to flow to the impeller chamber 8. It was found that two, 1/4 inch holes were sufficient to provide a suitable flow rate.
The impeller chamber ,3 houses a pair of impellers 11, the impellers 11 being driven by the gear pump's gear axles 12 which protrude through the common wall 9 for this purpose. The impellers 11 are spun in opposite directions to one another, thereby creating and prope:lling a stream of liquid droplets 13 through a directing orifice 14 in the impeller chamber 8 toward the undersurface of the vehicle.
The gear pump 7 and the impellers 11 are driven by an electric hand drill 3 or other suitable rotary tool, the electric hand drill chuck 15 being securely fastened to a rotatable shaft 16 which drives the gear pump 7 and which in turn drives the impellers 11.
In one embodiment of the present invention, the directing orifice 11 in the impeller chamber 8 opens outwardly directly above the impellers 11, midway between the two impellers 11 so as to direct the flow of the stream of liquid droplets 13 up and away from the impellers 11 and towards the undersurface of the vehicle.
In another embodiment as shown in Figure 4, the impeller chamber 8 has a variable sized orifice for broadening or narrowing the stream of the expelled liquid droplets. The orifice size may be varied by adjusting the location of the --" 204~690 orifice limiting flaps 17 which may be moved to position 18, shown in dotted lines in Figure 4, to limit the size of the orlf lce .
In another embodiment of the present invention shown in Figure 5, a mirror 19 is located at or near the impeller end of the applicator at an angle to allow the operator to view the underside of the vehicle during the application process.
It is to be understood that the examples described above are not meant to limit the scope of the present invention. It is expected that numerous variants will be obvious to the person skilled in the vehicle undercoating art, without any departure from the spirit of the present invention. The appended claims, properly construed, form the only limitation upon the scope of the present invention.

Claims (5)

1. An undercoating applicator powered by an electric drill, for applying undercoating liquid to the underside of a vehicle comprising:
a reservoir;
a chamber, which has at least one orifice;
a pump which is driven by the electric drill and which is capable of pumping undercoating liquid from the reservoir to the chamber; and at least one impeller which is driven by the electric drill and which is housed within the chamber.
2. An undercoating applicator as in claim 1, wherein the pump is a gear pump.
3. An undercoating applicator as in claims 1 or 2, wherein there are two impellers housed within the chamber, both impellers capable of spinning in opposite directions to one another.
4. An undercoating applicator as in claims 1, 2 or 3 wherein the impellers are driven by the gear pump.
5. An undercoating applicator as in claims 1, 2, 3 or 4 wherein the orifice in the chamber is capable of being increased and decreased in size.
CA 2044690 1991-06-14 1991-06-14 Oil spraying device Abandoned CA2044690A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2044690 CA2044690A1 (en) 1991-06-14 1991-06-14 Oil spraying device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2044690 CA2044690A1 (en) 1991-06-14 1991-06-14 Oil spraying device

Publications (1)

Publication Number Publication Date
CA2044690A1 true CA2044690A1 (en) 1992-12-15

Family

ID=4147825

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2044690 Abandoned CA2044690A1 (en) 1991-06-14 1991-06-14 Oil spraying device

Country Status (1)

Country Link
CA (1) CA2044690A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6817544B2 (en) * 2003-01-06 2004-11-16 John D. Hanson Device preventing rotation of a power drill attachment
GB2505321A (en) * 2012-08-20 2014-02-26 Bosch Gmbh Robert A spraying device for a portable power tool

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6817544B2 (en) * 2003-01-06 2004-11-16 John D. Hanson Device preventing rotation of a power drill attachment
GB2505321A (en) * 2012-08-20 2014-02-26 Bosch Gmbh Robert A spraying device for a portable power tool
CN103621378A (en) * 2012-08-20 2014-03-12 罗伯特·博世有限公司 A spraying device
CN103621378B (en) * 2012-08-20 2018-07-24 罗伯特·博世有限公司 Flusher
GB2505321B (en) * 2012-08-20 2019-05-15 Bosch Gmbh Robert A spraying device for a portable power tool

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Legal Events

Date Code Title Description
FZDE Dead